99503905400 has 48 divisors (see below), whose sum is σ = 238809387840. Its totient is φ = 38517638400.

The previous prime is 99503905399. The next prime is 99503905429. The reversal of 99503905400 is 450930599.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 8018309 + ... + 8030708.

It is an arithmetic number, because the mean of its divisors is an integer number (4975195580).

Almost surely, 2^99503905400 is an apocalyptic number.

It is an amenable number.

99503905400 is an abundant number, since it is smaller than the sum of its proper divisors (139305482440).

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

99503905400 is a wasteful number, since it uses less digits than its factorization.

99503905400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16049064 (or 16049055 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 44.

The spelling of 99503905400 in words is "ninety-nine billion, five hundred three million, nine hundred five thousand, four hundred".