45513560640 has 224 divisors, whose sum is σ = 152887680000. Its totient is φ = 11439470592.

The previous prime is 45513560639. The next prime is 45513560671. The reversal of 45513560640 is 4606531554.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3623491 + ... + 3636029.

Almost surely, 2^45513560640 is an apocalyptic number.

45513560640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45513560640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76443840000).

45513560640 is an abundant number, since it is smaller than the sum of its proper divisors (107374119360).

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

45513560640 is a wasteful number, since it uses less digits than its factorization.

45513560640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12777 (or 12767 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 45513560640 in words is "forty-five billion, five hundred thirteen million, five hundred sixty thousand, six hundred forty".