16402790390 has 32 divisors (see below), whose sum is σ = 33770649600. Its totient is φ = 5619186144.

The previous prime is 16402790387. The next prime is 16402790399. The reversal of 16402790390 is 9309720461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16402790399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10190 + ... + 181409.

It is an arithmetic number, because the mean of its divisors is an integer number (1055332800).

Almost surely, 2^16402790390 is an apocalyptic number.

16402790390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16402790390 is an abundant number, since it is smaller than the sum of its proper divisors (17367859210).

16402790390 is a wasteful number, since it uses less digits than its factorization.

16402790390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192836.

The product of its (nonzero) digits is 81648, while the sum is 41.

The spelling of 16402790390 in words is "sixteen billion, four hundred two million, seven hundred ninety thousand, three hundred ninety".