45512022040 has 16 divisors (see below), whose sum is σ = 102402049680. Its totient is φ = 18204808800.

The previous prime is 45512022029. The next prime is 45512022071. The reversal of 45512022040 is 4022021554.

It is a junction number, because it is equal to n+sod(n) for n = 45512021996 and 45512022014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568900236 + ... + 568900315.

It is an arithmetic number, because the mean of its divisors is an integer number (6400128105).

Almost surely, 2^45512022040 is an apocalyptic number.

45512022040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45512022040 is an abundant number, since it is smaller than the sum of its proper divisors (56890027640).

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

45512022040 is a wasteful number, since it uses less digits than its factorization.

45512022040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137800562 (or 1137800558 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 45512022040 its reverse (4022021554), we get a palindrome (49534043594).

The spelling of 45512022040 in words is "forty-five billion, five hundred twelve million, twenty-two thousand, forty".