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40750120 = 2353159557
BaseRepresentation
bin1001101101110…
…0110000101000
32211200022122201
42123130300220
540413000440
64013225544
71003241005
oct233346050
984608581
1040750120
1121003194
12117922b4
13859a0c8
1455aa8ac
15389e19a
hex26dcc28

40750120 has 64 divisors (see below), whose sum is σ = 96422400. Its totient is φ = 15479040.

The previous prime is 40750103. The next prime is 40750121. The reversal of 40750120 is 2105704.

It is not an unprimeable number, because it can be changed into a prime (40750121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72882 + ... + 73438.

It is an arithmetic number, because the mean of its divisors is an integer number (1506600).

Almost surely, 240750120 is an apocalyptic number.

40750120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40750120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48211200).

40750120 is an abundant number, since it is smaller than the sum of its proper divisors (55672280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40750120 is a wasteful number, since it uses less digits than its factorization.

40750120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658 (or 654 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 40750120 is about 6383.5820665203. The cubic root of 40750120 is about 344.1197753095.

Adding to 40750120 its reverse (2105704), we get a palindrome (42855824).

The spelling of 40750120 in words is "forty million, seven hundred fifty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 31 40 59 62 118 124 155 236 248 295 310 472 557 590 620 1114 1180 1240 1829 2228 2360 2785 3658 4456 5570 7316 9145 11140 14632 17267 18290 22280 32863 34534 36580 65726 69068 73160 86335 131452 138136 164315 172670 262904 328630 345340 657260 690680 1018753 1314520 2037506 4075012 5093765 8150024 10187530 20375060 40750120