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40010672 = 24131491291
BaseRepresentation
bin1001100010100…
…0001110110000
32210021202022202
42120220032300
540220320142
63545322332
7664041122
oct230501660
983252282
1040010672
1120648679
12114963a8
13839b670
145457212
1537a5032
hex26283b0

40010672 has 40 divisors (see below), whose sum is σ = 84109200. Its totient is φ = 18328320.

The previous prime is 40010671. The next prime is 40010681. The reversal of 40010672 is 27601004.

It is not an unprimeable number, because it can be changed into a prime (40010671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30347 + ... + 31637.

It is an arithmetic number, because the mean of its divisors is an integer number (2102730).

Almost surely, 240010672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40010672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42054600).

40010672 is an abundant number, since it is smaller than the sum of its proper divisors (44098528).

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

40010672 is a wasteful number, since it uses less digits than its factorization.

40010672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461 (or 1455 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 40010672 is about 6325.3989597495. The cubic root of 40010672 is about 342.0256014030.

Adding to 40010672 its reverse (27601004), we get a palindrome (67611676).

The spelling of 40010672 in words is "forty million, ten thousand, six hundred seventy-two".

Divisors: 1 2 4 8 13 16 26 52 104 149 208 298 596 1192 1291 1937 2384 2582 3874 5164 7748 10328 15496 16783 20656 30992 33566 67132 134264 192359 268528 384718 769436 1538872 2500667 3077744 5001334 10002668 20005336 40010672