2378633944 has 32 divisors (see below), whose sum is σ = 4494016800. Its totient is φ = 1180258560.

The previous prime is 2378633923. The next prime is 2378633947. The reversal of 2378633944 is 4493368732.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2378633947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 822469 + ... + 825355.

It is an arithmetic number, because the mean of its divisors is an integer number (140438025).

Almost surely, 2^2378633944 is an apocalyptic number.

It is an amenable number.

2378633944 is a deficient number, since it is larger than the sum of its proper divisors (2115382856).

2378633944 is a wasteful number, since it uses less digits than its factorization.

2378633944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3643 (or 3639 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 49.

The square root of 2378633944 is about 48771.2409520201. The cubic root of 2378633944 is about 1334.8809563411.

The spelling of 2378633944 in words is "two billion, three hundred seventy-eight million, six hundred thirty-three thousand, nine hundred forty-four".