99426577554432 has 132 divisors (see below), whose sum is σ = 289775191465656. Its totient is φ = 32832452075520.

The previous prime is 99426577554431. The next prime is 99426577554487. The reversal of 99426577554432 is 23445577562499.

99426577554432 is a `hidden beast` number, since 9 + 9 + 4 + 2 + 6 + 5 + 7 + 75 + 544 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99426577554431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49427319 + ... + 51399542.

Almost surely, 2^{99426577554432} is an apocalyptic number.

It is an amenable number.

99426577554432 is an abundant number, since it is smaller than the sum of its proper divisors (190348613911224).

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

99426577554432 is a wasteful number, since it uses less digits than its factorization.

99426577554432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100826994 (or 100826973 counting only the distinct ones).

The product of its digits is 2286144000, while the sum is 72.

The spelling of 99426577554432 in words is "ninety-nine trillion, four hundred twenty-six billion, five hundred seventy-seven million, five hundred fifty-four thousand, four hundred thirty-two".