45537034440 has 32 divisors (see below), whose sum is σ = 136611103680. Its totient is φ = 12143209152.

The previous prime is 45537034409. The next prime is 45537034453. The reversal of 45537034440 is 4443073554.

It is a super-2 number, since 2×45537034440² (a number of 22 digits) contains 22 as substring.

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, 189737524 + ... + 189737763.

It is an arithmetic number, because the mean of its divisors is an integer number (4269096990).

Almost surely, 2^45537034440 is an apocalyptic number.

45537034440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45537034440 is an abundant number, since it is smaller than the sum of its proper divisors (91074069240).

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

45537034440 is a wasteful number, since it uses less digits than its factorization.

45537034440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379475301 (or 379475297 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 39.

The spelling of 45537034440 in words is "forty-five billion, five hundred thirty-seven million, thirty-four thousand, four hundred forty".