40623432 has 32 divisors (see below), whose sum is σ = 105062400. Its totient is φ = 13073984.

The previous prime is 40623419. The next prime is 40623467. The reversal of 40623432 is 23432604.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28488 + ... + 29879.

It is an arithmetic number, because the mean of its divisors is an integer number (3283200).

Almost surely, 2^40623432 is an apocalyptic number.

It is an amenable number.

40623432 is an abundant number, since it is smaller than the sum of its proper divisors (64438968).

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

40623432 is a wasteful number, since it uses less digits than its factorization.

40623432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58405 (or 58401 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 40623432 is about 6373.6513867641. The cubic root of 40623432 is about 343.7627939260.

The spelling of 40623432 in words is "forty million, six hundred twenty-three thousand, four hundred thirty-two".