45993452638 has 32 divisors (see below), whose sum is σ = 83558347200. Its totient is φ = 18535440384.

The previous prime is 45993452573. The next prime is 45993452657. The reversal of 45993452638 is 83625439954.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183118 + ... + 354286.

It is an arithmetic number, because the mean of its divisors is an integer number (2611198350).

Almost surely, 2^45993452638 is an apocalyptic number.

45993452638 is a deficient number, since it is larger than the sum of its proper divisors (37564894562).

45993452638 is a wasteful number, since it uses less digits than its factorization.

45993452638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172324.

The product of its digits is 27993600, while the sum is 58.

The spelling of 45993452638 in words is "forty-five billion, nine hundred ninety-three million, four hundred fifty-two thousand, six hundred thirty-eight".