45519907312530 has 192 divisors, whose sum is σ = 137632311468288. Its totient is φ = 10222386209280.

The previous prime is 45519907312519. The next prime is 45519907312547. The reversal of 45519907312530 is 3521370991554.

It is a happy number.

45519907312530 is a `hidden beast` number, since 4 + 5 + 5 + 1 + 9 + 90 + 7 + 3 + 12 + 530 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 33262972 + ... + 34604408.

It is an arithmetic number, because the mean of its divisors is an integer number (716834955564).

Almost surely, 2^{45519907312530} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45519907312530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68816155734144).

45519907312530 is an abundant number, since it is smaller than the sum of its proper divisors (92112404155758).

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

45519907312530 is a wasteful number, since it uses less digits than its factorization.

45519907312530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342401 (or 1342398 counting only the distinct ones).

The product of its (nonzero) digits is 5103000, while the sum is 54.

The spelling of 45519907312530 in words is "forty-five trillion, five hundred nineteen billion, nine hundred seven million, three hundred twelve thousand, five hundred thirty".