45444531140 has 48 divisors (see below), whose sum is σ = 99606447360. Its totient is φ = 17383344000.

The previous prime is 45444531131. The next prime is 45444531157. The reversal of 45444531140 is 4113544454.

It is a self number, because there is not a number n which added to its sum of digits gives 45444531140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2521481 + ... + 2539439.

It is an arithmetic number, because the mean of its divisors is an integer number (2075134320).

Almost surely, 2^45444531140 is an apocalyptic number.

It is an amenable number.

45444531140 is an abundant number, since it is smaller than the sum of its proper divisors (54161916220).

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

45444531140 is a wasteful number, since it uses less digits than its factorization.

45444531140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23492 (or 23490 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 45444531140 in words is "forty-five billion, four hundred forty-four million, five hundred thirty-one thousand, one hundred forty".