2108345400 has 144 divisors (see below), whose sum is σ = 8092078800. Its totient is φ = 481904640.

The previous prime is 2108345387. The next prime is 2108345413. The reversal of 2108345400 is 45438012.

2108345400 is a `hidden beast` number, since 210 + 8 + 3 + 45 + 400 = 666.

It is an interprime number because it is at equal distance from previous prime (2108345387) and next prime (2108345413).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 71065 + ... + 96264.

Almost surely, 2^2108345400 is an apocalyptic number.

2108345400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2108345400 is an abundant number, since it is smaller than the sum of its proper divisors (5983733400).

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

2108345400 is a wasteful number, since it uses less digits than its factorization.

2108345400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167358 (or 167346 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 2108345400 is about 45916.7224440073. The cubic root of 2108345400 is about 1282.2732633836.

The spelling of 2108345400 in words is "two billion, one hundred eight million, three hundred forty-five thousand, four hundred".