32551435240 has 32 divisors (see below), whose sum is σ = 75220211880. Its totient is φ = 12668666112.

The previous prime is 32551435237. The next prime is 32551435313. The reversal of 32551435240 is 4253415523.

It can be written as a sum of positive squares in 4 ways, for example, as 32068930084 + 482505156 = 179078^2 + 21966^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32551435196 and 32551435205.

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, 10995627 + ... + 10998586.

Almost surely, 2^32551435240 is an apocalyptic number.

It is an amenable number.

32551435240 is an abundant number, since it is smaller than the sum of its proper divisors (42668776640).

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

32551435240 is a wasteful number, since it uses less digits than its factorization.

32551435240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21994261 (or 21994257 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 32551435240 in words is "thirty-two billion, five hundred fifty-one million, four hundred thirty-five thousand, two hundred forty".