32304140040 has 64 divisors (see below), whose sum is σ = 96926880960. Its totient is φ = 8613152000.

The previous prime is 32304140039. The next prime is 32304140069. The reversal of 32304140040 is 4004140323.

It is a junction number, because it is equal to n+sod(n) for n = 32304139989 and 32304140016.

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, 1004287 + ... + 1035953.

It is an arithmetic number, because the mean of its divisors is an integer number (1514482515).

Almost surely, 2^32304140040 is an apocalyptic number.

32304140040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32304140040 is an abundant number, since it is smaller than the sum of its proper divisors (64622740920).

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

32304140040 is a wasteful number, since it uses less digits than its factorization.

32304140040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40182 (or 40178 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 32304140040 its reverse (4004140323), we get a palindrome (36308280363).

The spelling of 32304140040 in words is "thirty-two billion, three hundred four million, one hundred forty thousand, forty".