40604432 has 80 divisors (see below), whose sum is σ = 93369024. Its totient is φ = 16896000.

The previous prime is 40604423. The next prime is 40604477. The reversal of 40604432 is 23440604.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40604398 and 40604407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122507 + ... + 122837.

Almost surely, 2^40604432 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 40604432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46684512).

40604432 is an abundant number, since it is smaller than the sum of its proper divisors (52764592).

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

40604432 is a wasteful number, since it uses less digits than its factorization.

40604432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 40604432 is about 6372.1607010495. The cubic root of 40604432 is about 343.7091917617.

The spelling of 40604432 in words is "forty million, six hundred four thousand, four hundred thirty-two".