2100405231402 has 64 divisors (see below), whose sum is σ = 4708175155200. Its totient is φ = 620781408000.

The previous prime is 2100405231389. The next prime is 2100405231403. The reversal of 2100405231402 is 2041325040012.

It is a super-2 number, since 2×2100405231402² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2100405231403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2680474 + ... + 3374277.

It is an arithmetic number, because the mean of its divisors is an integer number (73565236800).

Almost surely, 2^{2100405231402} is an apocalyptic number.

2100405231402 is an abundant number, since it is smaller than the sum of its proper divisors (2607769923798).

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

2100405231402 is a wasteful number, since it uses less digits than its factorization.

2100405231402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6054971.

The product of its (nonzero) digits is 1920, while the sum is 24.

The spelling of 2100405231402 in words is "two trillion, one hundred billion, four hundred five million, two hundred thirty-one thousand, four hundred two".