16400004930 has 32 divisors (see below), whose sum is σ = 43733347200. Its totient is φ = 4373334576.

The previous prime is 16400004923. The next prime is 16400005003. The reversal of 16400004930 is 3940000461.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 16400004894 and 16400004903.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30370110 + ... + 30370649.

It is an arithmetic number, because the mean of its divisors is an integer number (1366667100).

Almost surely, 2^16400004930 is an apocalyptic number.

16400004930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16400004930 is an abundant number, since it is smaller than the sum of its proper divisors (27333342270).

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

16400004930 is a wasteful number, since it uses less digits than its factorization.

16400004930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60740775 (or 60740769 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The spelling of 16400004930 in words is "sixteen billion, four hundred million, four thousand, nine hundred thirty".