1878044464 has 20 divisors (see below), whose sum is σ = 3639519040. Its totient is φ = 938813760.

The previous prime is 1878044351. The next prime is 1878044489. The reversal of 1878044464 is 4644408781.

It is a super-2 number, since 2×1878044464² = 7054102017522094592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82522 + ... + 102790.

It is an arithmetic number, because the mean of its divisors is an integer number (181975952).

Almost surely, 2^1878044464 is an apocalyptic number.

It is an amenable number.

1878044464 is a deficient number, since it is larger than the sum of its proper divisors (1761474576).

1878044464 is a wasteful number, since it uses less digits than its factorization.

1878044464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26068 (or 26062 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 46.

The square root of 1878044464 is about 43336.4103728031. The cubic root of 1878044464 is about 1233.7730801665.

The spelling of 1878044464 in words is "one billion, eight hundred seventy-eight million, forty-four thousand, four hundred sixty-four".