16980054440 has 32 divisors (see below), whose sum is σ = 38341109160. Its totient is φ = 6767846400.

The previous prime is 16980054439. The next prime is 16980054449. The reversal of 16980054440 is 4445008961.

It can be written as a sum of positive squares in 4 ways, for example, as 14238694276 + 2741360164 = 119326^2 + 52358^2 .

It is not an unprimeable number, because it can be changed into a prime (16980054449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 744101 + ... + 766580.

Almost surely, 2^16980054440 is an apocalyptic number.

16980054440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16980054440 is an abundant number, since it is smaller than the sum of its proper divisors (21361054720).

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

16980054440 is a wasteful number, since it uses less digits than its factorization.

16980054440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510973 (or 1510969 counting only the distinct ones).

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

The spelling of 16980054440 in words is "sixteen billion, nine hundred eighty million, fifty-four thousand, four hundred forty".