2090391500 has 48 divisors (see below), whose sum is σ = 4628035776. Its totient is φ = 824688000.

The previous prime is 2090391481. The next prime is 2090391521. The reversal of 2090391500 is 51930902.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7865 + ... + 65135.

It is an arithmetic number, because the mean of its divisors is an integer number (96417412).

Almost surely, 2^2090391500 is an apocalyptic number.

2090391500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2090391500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2314017888).

2090391500 is an abundant number, since it is smaller than the sum of its proper divisors (2537644276).

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

2090391500 is a wasteful number, since it uses less digits than its factorization.

2090391500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57363 (or 57351 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 2090391500 is about 45720.7994243320. The cubic root of 2090391500 is about 1278.6230921324.

The spelling of 2090391500 in words is "two billion, ninety million, three hundred ninety-one thousand, five hundred".