45855212028 has 72 divisors (see below), whose sum is σ = 116566248960. Its totient is φ = 14013436320.

The previous prime is 45855211993. The next prime is 45855212057. The reversal of 45855212028 is 82021255854.

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 23 ways as a sum of consecutive naturals, for example, 36438 + ... + 305021.

It is an arithmetic number, because the mean of its divisors is an integer number (1618975680).

Almost surely, 2^45855212028 is an apocalyptic number.

It is an amenable number.

45855212028 is an abundant number, since it is smaller than the sum of its proper divisors (70711036932).

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

45855212028 is a wasteful number, since it uses less digits than its factorization.

45855212028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341535 (or 341514 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 42.

The spelling of 45855212028 in words is "forty-five billion, eight hundred fifty-five million, two hundred twelve thousand, twenty-eight".