40304032 has 24 divisors (see below), whose sum is σ = 79845696. Its totient is φ = 20025792.

The previous prime is 40303993. The next prime is 40304041. The reversal of 40304032 is 23040304.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 40303997 and 40304015.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1353 + ... + 9079.

It is an arithmetic number, because the mean of its divisors is an integer number (3326904).

Almost surely, 2^40304032 is an apocalyptic number.

It is an amenable number.

40304032 is a deficient number, since it is larger than the sum of its proper divisors (39541664).

40304032 is a wasteful number, since it uses less digits than its factorization.

40304032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7900 (or 7892 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 40304032 is about 6348.5456602280. The cubic root of 40304032 is about 342.8594822592.

Adding to 40304032 its reverse (23040304), we get a palindrome (63344336).

The spelling of 40304032 in words is "forty million, three hundred four thousand, thirty-two".