40508932 has 12 divisors (see below), whose sum is σ = 72806860. Its totient is φ = 19706976.

The previous prime is 40508929. The next prime is 40508933. The reversal of 40508932 is 23980504.

It can be written as a sum of positive squares in 2 ways, for example, as 38365636 + 2143296 = 6194^2 + 1464^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40508894 and 40508903.

It is not an unprimeable number, because it can be changed into a prime (40508933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136707 + ... + 137002.

Almost surely, 2^40508932 is an apocalyptic number.

It is an amenable number.

40508932 is a deficient number, since it is larger than the sum of its proper divisors (32297928).

40508932 is a wasteful number, since it uses less digits than its factorization.

40508932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273750 (or 273748 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 40508932 is about 6364.6627561875. The cubic root of 40508932 is about 343.4395168056.

The spelling of 40508932 in words is "forty million, five hundred eight thousand, nine hundred thirty-two".