45648451944 has 24 divisors (see below), whose sum is σ = 123631224210. Its totient is φ = 15216150624.

The previous prime is 45648451889. The next prime is 45648451949. The reversal of 45648451944 is 44915484654.

45648451944 is a `hidden beast` number, since 4 + 5 + 6 + 4 + 84 + 519 + 44 = 666.

It can be written as a sum of positive squares in only one way, i.e., 45050062500 + 598389444 = 212250^2 + 24462^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (45648451949) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 317003067 + ... + 317003210.

Almost surely, 2^45648451944 is an apocalyptic number.

It is an amenable number.

45648451944 is an abundant number, since it is smaller than the sum of its proper divisors (77982772266).

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

45648451944 is a wasteful number, since it uses less digits than its factorization.

45648451944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634006289 (or 634006282 counting only the distinct ones).

The product of its digits is 11059200, while the sum is 54.

The spelling of 45648451944 in words is "forty-five billion, six hundred forty-eight million, four hundred fifty-one thousand, nine hundred forty-four".