2102840296 has 72 divisors (see below), whose sum is σ = 4300250310. Its totient is φ = 963489280.

The previous prime is 2102840261. The next prime is 2102840323. The reversal of 2102840296 is 6920482012.

It can be written as a sum of positive squares in 3 ways, for example, as 2102222500 + 617796 = 45850^2 + 786^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

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 17 ways as a sum of consecutive naturals, for example, 16052151 + ... + 16052281.

Almost surely, 2^2102840296 is an apocalyptic number.

It is an amenable number.

2102840296 is an abundant number, since it is smaller than the sum of its proper divisors (2197410014).

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

2102840296 is a wasteful number, since it uses less digits than its factorization.

2102840296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 2102840296 is about 45856.7366479561. The cubic root of 2102840296 is about 1281.1562420197.

The spelling of 2102840296 in words is "two billion, one hundred two million, eight hundred forty thousand, two hundred ninety-six".