2378658944 has 32 divisors (see below), whose sum is σ = 4988146800. Its totient is φ = 1126732032.

The previous prime is 2378658943. The next prime is 2378658959. The reversal of 2378658944 is 4498568732.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 2378658944.

It is not an unprimeable number, because it can be changed into a prime (2378658943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486602 + ... + 491465.

Almost surely, 2^2378658944 is an apocalyptic number.

It is an amenable number.

2378658944 is an abundant number, since it is smaller than the sum of its proper divisors (2609487856).

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

2378658944 is an equidigital number, since it uses as much as digits as its factorization.

2378658944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978100 (or 978088 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 56.

The square root of 2378658944 is about 48771.4972499307. The cubic root of 2378658944 is about 1334.8856329619.

The spelling of 2378658944 in words is "two billion, three hundred seventy-eight million, six hundred fifty-eight thousand, nine hundred forty-four".