2108500290 has 48 divisors (see below), whose sum is σ = 5903804088. Its totient is φ = 519015168.

The previous prime is 2108500271. The next prime is 2108500291. The reversal of 2108500290 is 920058012.

It can be written as a sum of positive squares in 4 ways, for example, as 1876882329 + 231617961 = 43323^2 + 15219^2 .

It is not an unprimeable number, because it can be changed into a prime (2108500291) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 899899 + ... + 902238.

Almost surely, 2^2108500290 is an apocalyptic number.

2108500290 is an abundant number, since it is smaller than the sum of its proper divisors (3795303798).

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

2108500290 is a wasteful number, since it uses less digits than its factorization.

2108500290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802163 (or 1802160 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 2108500290 is about 45918.4090534504. The cubic root of 2108500290 is about 1282.3046634319.

The spelling of 2108500290 in words is "two billion, one hundred eight million, five hundred thousand, two hundred ninety".