45612808840 has 32 divisors (see below), whose sum is σ = 102879783000. Its totient is φ = 18200507904.

The previous prime is 45612808789. The next prime is 45612808841. The reversal of 45612808840 is 4880821654.

45612808840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 45300014244 + 312794596 = 212838^2 + 17686^2 .

It is not an unprimeable number, because it can be changed into a prime (45612808841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1377675 + ... + 1410394.

Almost surely, 2^45612808840 is an apocalyptic number.

45612808840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45612808840 is an abundant number, since it is smaller than the sum of its proper divisors (57266974160).

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

45612808840 is a wasteful number, since it uses less digits than its factorization.

45612808840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2788489 (or 2788485 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 46.

The spelling of 45612808840 in words is "forty-five billion, six hundred twelve million, eight hundred eight thousand, eight hundred forty".