40332504 has 64 divisors (see below), whose sum is σ = 105235200. Its totient is φ = 12865664.

The previous prime is 40332499. The next prime is 40332511. The reversal of 40332504 is 40523304.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116059 + ... + 116405.

It is an arithmetic number, because the mean of its divisors is an integer number (1644300).

Almost surely, 2^40332504 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 40332504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52617600).

40332504 is an abundant number, since it is smaller than the sum of its proper divisors (64902696).

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

40332504 is a wasteful number, since it uses less digits than its factorization.

40332504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 40332504 is about 6350.7876676834. The cubic root of 40332504 is about 342.9401987276.

Adding to 40332504 its reverse (40523304), we get a palindrome (80855808).

The spelling of 40332504 in words is "forty million, three hundred thirty-two thousand, five hundred four".