16940458400 has 72 divisors (see below), whose sum is σ = 42690017664. Its totient is φ = 6557587200.

The previous prime is 16940458361. The next prime is 16940458417. The reversal of 16940458400 is 485404961.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 316742 + ... + 366341.

It is an arithmetic number, because the mean of its divisors is an integer number (592916912).

Almost surely, 2^16940458400 is an apocalyptic number.

16940458400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16940458400 is an abundant number, since it is smaller than the sum of its proper divisors (25749559264).

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

16940458400 is a wasteful number, since it uses less digits than its factorization.

16940458400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683134 (or 683121 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 16940458400 in words is "sixteen billion, nine hundred forty million, four hundred fifty-eight thousand, four hundred".