2105258790 has 16 divisors (see below), whose sum is σ = 5052621168. Its totient is φ = 561402336.

The previous prime is 2105258789. The next prime is 2105258797. The reversal of 2105258790 is 978525012.

It is a super-2 number, since 2×2105258790² = 8864229145744528200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105258797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35087617 + ... + 35087676.

It is an arithmetic number, because the mean of its divisors is an integer number (315788823).

Almost surely, 2^2105258790 is an apocalyptic number.

2105258790 is an abundant number, since it is smaller than the sum of its proper divisors (2947362378).

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

2105258790 is a wasteful number, since it uses less digits than its factorization.

2105258790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70175303.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 2105258790 is about 45883.0991760583. The cubic root of 2105258790 is about 1281.6472099723.

The spelling of 2105258790 in words is "two billion, one hundred five million, two hundred fifty-eight thousand, seven hundred ninety".