16407489380 has 12 divisors (see below), whose sum is σ = 34455727740. Its totient is φ = 6562995744.

The previous prime is 16407489359. The next prime is 16407489407. The reversal of 16407489380 is 8398470461.

It can be written as a sum of positive squares in 2 ways, for example, as 11026680064 + 5380809316 = 105008^2 + 73354^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410187215 + ... + 410187254.

It is an arithmetic number, because the mean of its divisors is an integer number (2871310645).

Almost surely, 2^16407489380 is an apocalyptic number.

16407489380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16407489380 is an abundant number, since it is smaller than the sum of its proper divisors (18048238360).

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

16407489380 is a wasteful number, since it uses less digits than its factorization.

16407489380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820374478 (or 820374476 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 16407489380 in words is "sixteen billion, four hundred seven million, four hundred eighty-nine thousand, three hundred eighty".