45140431720 has 32 divisors (see below), whose sum is σ = 101572740000. Its totient is φ = 18054969408.

The previous prime is 45140431703. The next prime is 45140431747. The reversal of 45140431720 is 2713404154.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 801031 + ... + 855529.

It is an arithmetic number, because the mean of its divisors is an integer number (3174148125).

Almost surely, 2^45140431720 is an apocalyptic number.

45140431720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45140431720 is an abundant number, since it is smaller than the sum of its proper divisors (56432308280).

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

45140431720 is a wasteful number, since it uses less digits than its factorization.

45140431720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75217 (or 75213 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

Adding to 45140431720 its reverse (2713404154), we get a palindrome (47853835874).

The spelling of 45140431720 in words is "forty-five billion, one hundred forty million, four hundred thirty-one thousand, seven hundred twenty".