99426458880 has 1152 divisors, whose sum is σ = 430750924800. Its totient is φ = 21212430336.

The previous prime is 99426458863. The next prime is 99426458939. The reversal of 99426458880 is 8885462499.

99426458880 is a `hidden beast` number, since 9 + 9 + 42 + 6 + 4 + 588 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 445858449 + ... + 445858671.

Almost surely, 2^99426458880 is an apocalyptic number.

99426458880 is a gapful number since it is divisible by the number (90) 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 99426458880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215375462400).

99426458880 is an abundant number, since it is smaller than the sum of its proper divisors (331324465920).

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

99426458880 is a wasteful number, since it uses less digits than its factorization.

99426458880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 63.

The spelling of 99426458880 in words is "ninety-nine billion, four hundred twenty-six million, four hundred fifty-eight thousand, eight hundred eighty".