3109650400 has 72 divisors (see below), whose sum is σ = 7610372280. Its totient is φ = 1240757760.

The previous prime is 3109650391. The next prime is 3109650433. The reversal of 3109650400 is 40569013.

It is a super-2 number, since 2×3109650400² = 19339851220440320000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 330562 + ... + 339838.

It is an arithmetic number, because the mean of its divisors is an integer number (105699615).

Almost surely, 2^3109650400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3109650400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3805186140).

3109650400 is an abundant number, since it is smaller than the sum of its proper divisors (4500721880).

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

3109650400 is a wasteful number, since it uses less digits than its factorization.

3109650400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9716 (or 9703 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 3109650400 is about 55764.2394371160. The cubic root of 3109650400 is about 1459.6112056629.

The spelling of 3109650400 in words is "three billion, one hundred nine million, six hundred fifty thousand, four hundred".