40432956 has 24 divisors (see below), whose sum is σ = 94755024. Its totient is φ = 13418880.

The previous prime is 40432939. The next prime is 40432957. The reversal of 40432956 is 65923404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40432957) 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, 4435 + ... + 10026.

It is an arithmetic number, because the mean of its divisors is an integer number (3948126).

Almost surely, 2^40432956 is an apocalyptic number.

It is an amenable number.

40432956 is an abundant number, since it is smaller than the sum of its proper divisors (54322068).

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

40432956 is a wasteful number, since it uses less digits than its factorization.

40432956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14701 (or 14699 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 40432956 is about 6358.6913748035. The cubic root of 40432956 is about 343.2246712613.

The spelling of 40432956 in words is "forty million, four hundred thirty-two thousand, nine hundred fifty-six".