2100840462 has 48 divisors (see below), whose sum is σ = 5394759552. Its totient is φ = 600239160.

The previous prime is 2100840437. The next prime is 2100840479. The reversal of 2100840462 is 2640480012.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 305364 + ... + 312167.

It is an arithmetic number, because the mean of its divisors is an integer number (112390824).

Almost surely, 2^2100840462 is an apocalyptic number.

2100840462 is an abundant number, since it is smaller than the sum of its proper divisors (3293919090).

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

2100840462 is an equidigital number, since it uses as much as digits as its factorization.

2100840462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617555 (or 617543 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 2100840462 is about 45834.9262244416. The cubic root of 2100840462 is about 1280.7499799995.

The spelling of 2100840462 in words is "two billion, one hundred million, eight hundred forty thousand, four hundred sixty-two".