2138644176232 has 64 divisors (see below), whose sum is σ = 4071986976960. Its totient is φ = 1052873702400.

The previous prime is 2138644176209. The next prime is 2138644176281. The reversal of 2138644176232 is 2326714468312.

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, 300325632 + ... + 300332752.

It is an arithmetic number, because the mean of its divisors is an integer number (63624796515).

Almost surely, 2^{2138644176232} is an apocalyptic number.

It is an amenable number.

2138644176232 is a deficient number, since it is larger than the sum of its proper divisors (1933342800728).

2138644176232 is a wasteful number, since it uses less digits than its factorization.

2138644176232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8674 (or 8670 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 49.

The spelling of 2138644176232 in words is "two trillion, one hundred thirty-eight billion, six hundred forty-four million, one hundred seventy-six thousand, two hundred thirty-two".