99507240560 has 480 divisors, whose sum is σ = 297554205312. Its totient is φ = 30277877760.

The previous prime is 99507240559. The next prime is 99507240563. The reversal of 99507240560 is 6504270599.

It is a super-2 number, since 2×99507240560² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99507240563) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 549763670 + ... + 549763850.

Almost surely, 2^99507240560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99507240560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148777102656).

99507240560 is an abundant number, since it is smaller than the sum of its proper divisors (198046964752).

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

99507240560 is a wasteful number, since it uses less digits than its factorization.

99507240560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 47.

The spelling of 99507240560 in words is "ninety-nine billion, five hundred seven million, two hundred forty thousand, five hundred sixty".