99424952400 has 120 divisors (see below), whose sum is σ = 321583812160. Its totient is φ = 26255877120.

The previous prime is 99424952381. The next prime is 99424952401. The reversal of 99424952400 is 425942499.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 99424952400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99424952401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 278605 + ... + 525804.

Almost surely, 2^99424952400 is an apocalyptic number.

It is an amenable number.

99424952400 is an abundant number, since it is smaller than the sum of its proper divisors (222158859760).

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

99424952400 is a wasteful number, since it uses less digits than its factorization.

99424952400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804533 (or 804522 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 99424952400 in words is "ninety-nine billion, four hundred twenty-four million, nine hundred fifty-two thousand, four hundred".