45388431312 has 40 divisors (see below), whose sum is σ = 134003941056. Its totient is φ = 12968123136.

The previous prime is 45388431307. The next prime is 45388431323. The reversal of 45388431312 is 21313488354.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 7 ways as a sum of consecutive naturals, for example, 67541973 + ... + 67542644.

Almost surely, 2^45388431312 is an apocalyptic number.

45388431312 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

45388431312 is an abundant number, since it is smaller than the sum of its proper divisors (88615509744).

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

45388431312 is a wasteful number, since it uses less digits than its factorization.

45388431312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135084635 (or 135084629 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The spelling of 45388431312 in words is "forty-five billion, three hundred eighty-eight million, four hundred thirty-one thousand, three hundred twelve".