40903688 has 64 divisors (see below), whose sum is σ = 92016000. Its totient is φ = 16676352.

The previous prime is 40903673. The next prime is 40903693. The reversal of 40903688 is 88630904.

It is a super-2 number, since 2×40903688² = 3346223384002688, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144395 + ... + 144677.

It is an arithmetic number, because the mean of its divisors is an integer number (1437750).

Almost surely, 2^40903688 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 40903688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46008000).

40903688 is an abundant number, since it is smaller than the sum of its proper divisors (51112312).

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

40903688 is a wasteful number, since it uses less digits than its factorization.

40903688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414 (or 410 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 40903688 is about 6395.5991118894. The cubic root of 40903688 is about 344.5515085221.

The spelling of 40903688 in words is "forty million, nine hundred three thousand, six hundred eighty-eight".