99940500554 has 32 divisors (see below), whose sum is σ = 153193254912. Its totient is φ = 48887190000.

The previous prime is 99940500529. The next prime is 99940500559. The reversal of 99940500554 is 45500504999.

It is not an unprimeable number, because it can be changed into a prime (99940500559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17682629 + ... + 17688279.

It is an arithmetic number, because the mean of its divisors is an integer number (4787289216).

Almost surely, 2^99940500554 is an apocalyptic number.

99940500554 is a deficient number, since it is larger than the sum of its proper divisors (53252754358).

99940500554 is a wasteful number, since it uses less digits than its factorization.

99940500554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6602.

The product of its (nonzero) digits is 1458000, while the sum is 50.

The spelling of 99940500554 in words is "ninety-nine billion, nine hundred forty million, five hundred thousand, five hundred fifty-four".