45441395272 has 32 divisors (see below), whose sum is σ = 104864760000. Its totient is φ = 17976815424.

The previous prime is 45441395213. The next prime is 45441395273. The reversal of 45441395272 is 27259314454.

It is a super-2 number, since 2×45441395272² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45441395273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31209022 + ... + 31210477.

It is an arithmetic number, because the mean of its divisors is an integer number (3277023750).

Almost surely, 2^45441395272 is an apocalyptic number.

It is an amenable number.

45441395272 is an abundant number, since it is smaller than the sum of its proper divisors (59423364728).

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

45441395272 is a wasteful number, since it uses less digits than its factorization.

45441395272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62419525 (or 62419521 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 46.

The spelling of 45441395272 in words is "forty-five billion, four hundred forty-one million, three hundred ninety-five thousand, two hundred seventy-two".