16940810340 has 48 divisors (see below), whose sum is σ = 52704744960. Its totient is φ = 4517549280.

The previous prime is 16940810321. The next prime is 16940810351. The reversal of 16940810340 is 4301804961.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 16940810295 and 16940810304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15685396 + ... + 15686475.

It is an arithmetic number, because the mean of its divisors is an integer number (1098015520).

Almost surely, 2^16940810340 is an apocalyptic number.

16940810340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16940810340 is an abundant number, since it is smaller than the sum of its proper divisors (35763934620).

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

16940810340 is a wasteful number, since it uses less digits than its factorization.

16940810340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31371889 (or 31371881 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 16940810340 in words is "sixteen billion, nine hundred forty million, eight hundred ten thousand, three hundred forty".