99550959400 has 24 divisors (see below), whose sum is σ = 231455981070. Its totient is φ = 39820383680.

The previous prime is 99550959383. The next prime is 99550959461. The reversal of 99550959400 is 495905599.

It can be written as a sum of positive squares in 3 ways, for example, as 94424685796 + 5126273604 = 307286^2 + 71598^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 248877199 + ... + 248877598.

Almost surely, 2^99550959400 is an apocalyptic number.

It is an amenable number.

99550959400 is an abundant number, since it is smaller than the sum of its proper divisors (131905021670).

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

99550959400 is a wasteful number, since it uses less digits than its factorization.

99550959400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497754813 (or 497754804 counting only the distinct ones).

The product of its (nonzero) digits is 3280500, while the sum is 55.

The spelling of 99550959400 in words is "ninety-nine billion, five hundred fifty million, nine hundred fifty-nine thousand, four hundred".