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40871880 = 2332573331
BaseRepresentation
bin1001101111101…
…0011111001000
32211220111200100
42123322133020
540430400010
64020005400
71004256000
oct233723710
984814610
1040871880
1121086715
1211830860
13861065a
1455dd000
1538c52c0
hex26fa7c8

40871880 has 192 divisors, whose sum is σ = 155376000. Its totient is φ = 9313920.

The previous prime is 40871879. The next prime is 40871881. The reversal of 40871880 is 8817804.

It is an interprime number because it is at equal distance from previous prime (40871879) and next prime (40871881).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (40871881) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 123315 + ... + 123645.

It is an arithmetic number, because the mean of its divisors is an integer number (809250).

Almost surely, 240871880 is an apocalyptic number.

40871880 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 40871880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77688000).

40871880 is an abundant number, since it is smaller than the sum of its proper divisors (114504120).

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

40871880 is a wasteful number, since it uses less digits than its factorization.

40871880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 40871880 is about 6393.1119183071. Note that the first 3 decimals coincide. The cubic root of 40871880 is about 344.4621739824.

The spelling of 40871880 in words is "forty million, eight hundred seventy-one thousand, eight hundred eighty".