32904216040 has 32 divisors (see below), whose sum is σ = 78389457480. Its totient is φ = 12387469312.

The previous prime is 32904216011. The next prime is 32904216053. The reversal of 32904216040 is 4061240923.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 32074660836 + 829555204 = 179094^2 + 28802^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32904215993 and 32904216011.

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, 24193597 + ... + 24194956.

Almost surely, 2^32904216040 is an apocalyptic number.

It is an amenable number.

32904216040 is an abundant number, since it is smaller than the sum of its proper divisors (45485241440).

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

32904216040 is a wasteful number, since it uses less digits than its factorization.

32904216040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48388581 (or 48388577 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 32904216040 its reverse (4061240923), we get a palindrome (36965456963).

The spelling of 32904216040 in words is "thirty-two billion, nine hundred four million, two hundred sixteen thousand, forty".