16400988300 has 36 divisors (see below), whose sum is σ = 47453527016. Its totient is φ = 4373596800.

The previous prime is 16400988299. The next prime is 16400988301. The reversal of 16400988300 is 388900461.

It is an interprime number because it is at equal distance from previous prime (16400988299) and next prime (16400988301).

It is not an unprimeable number, because it can be changed into a prime (16400988301) 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, 27334681 + ... + 27335280.

Almost surely, 2^16400988300 is an apocalyptic number.

16400988300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16400988300 is an abundant number, since it is smaller than the sum of its proper divisors (31052538716).

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

16400988300 is a wasteful number, since it uses less digits than its factorization.

16400988300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54669978 (or 54669971 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The spelling of 16400988300 in words is "sixteen billion, four hundred million, nine hundred eighty-eight thousand, three hundred".