32161425420 has 24 divisors (see below), whose sum is σ = 90051991344. Its totient is φ = 8576380096.

The previous prime is 32161425407. The next prime is 32161425487. The reversal of 32161425420 is 2452416123.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 268011819 + ... + 268011938.

It is an arithmetic number, because the mean of its divisors is an integer number (3752166306).

Almost surely, 2^32161425420 is an apocalyptic number.

32161425420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32161425420 is an abundant number, since it is smaller than the sum of its proper divisors (57890565924).

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

32161425420 is a wasteful number, since it uses less digits than its factorization.

32161425420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536023769 (or 536023767 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 32161425420 in words is "thirty-two billion, one hundred sixty-one million, four hundred twenty-five thousand, four hundred twenty".