32312144420 has 48 divisors (see below), whose sum is σ = 72120397440. Its totient is φ = 12125707776.

The previous prime is 32312144413. The next prime is 32312144441. The reversal of 32312144420 is 2444121323.

It is a self number, because there is not a number n which added to its sum of digits gives 32312144420.

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, 373637 + ... + 451916.

It is an arithmetic number, because the mean of its divisors is an integer number (1502508280).

Almost surely, 2^32312144420 is an apocalyptic number.

It is an amenable number.

32312144420 is an abundant number, since it is smaller than the sum of its proper divisors (39808253020).

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

32312144420 is a wasteful number, since it uses less digits than its factorization.

32312144420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825684 (or 825682 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 32312144420 its reverse (2444121323), we get a palindrome (34756265743).

The spelling of 32312144420 in words is "thirty-two billion, three hundred twelve million, one hundred forty-four thousand, four hundred twenty".