45651257648 has 10 divisors (see below), whose sum is σ = 88449311724. Its totient is φ = 22825628816.

The previous prime is 45651257623. The next prime is 45651257651. The reversal of 45651257648 is 84675215654.

It is a self number, because there is not a number n which added to its sum of digits gives 45651257648.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1426601786 + ... + 1426601817.

Almost surely, 2^45651257648 is an apocalyptic number.

It is an amenable number.

45651257648 is a deficient number, since it is larger than the sum of its proper divisors (42798054076).

45651257648 is a wasteful number, since it uses less digits than its factorization.

45651257648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2853203611 (or 2853203605 counting only the distinct ones).

The product of its digits is 8064000, while the sum is 53.

The spelling of 45651257648 in words is "forty-five billion, six hundred fifty-one million, two hundred fifty-seven thousand, six hundred forty-eight".