2106650400 has 72 divisors (see below), whose sum is σ = 6857154864. Its totient is φ = 561772800.

The previous prime is 2106650333. The next prime is 2106650411. The reversal of 2106650400 is 40566012.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 436486 + ... + 441285.

It is an arithmetic number, because the mean of its divisors is an integer number (95238262).

Almost surely, 2^2106650400 is an apocalyptic number.

2106650400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2106650400 is an abundant number, since it is smaller than the sum of its proper divisors (4750504464).

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

2106650400 is a wasteful number, since it uses less digits than its factorization.

2106650400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877794 (or 877781 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2106650400 is about 45898.2614049813. The cubic root of 2106650400 is about 1281.9295442616.

The spelling of 2106650400 in words is "two billion, one hundred six million, six hundred fifty thousand, four hundred".