45044169648 has 20 divisors (see below), whose sum is σ = 116364105048. Its totient is φ = 15014723200.

The previous prime is 45044169607. The next prime is 45044169673. The reversal of 45044169648 is 84696144054.

It is a self number, because there is not a number n which added to its sum of digits gives 45044169648.

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, 469210053 + ... + 469210148.

Almost surely, 2^45044169648 is an apocalyptic number.

45044169648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

45044169648 is an abundant number, since it is smaller than the sum of its proper divisors (71319935400).

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

45044169648 is a wasteful number, since it uses less digits than its factorization.

45044169648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938420212 (or 938420206 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 51.

The spelling of 45044169648 in words is "forty-five billion, forty-four million, one hundred sixty-nine thousand, six hundred forty-eight".