2049807590 has 32 divisors (see below), whose sum is σ = 3896212320. Its totient is φ = 774296064.

The previous prime is 2049807553. The next prime is 2049807601. The reversal of 2049807590 is 957089402.

It is a happy number.

It is a super-2 number, since 2×2049807590² = 8403422312043216200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43214 + ... + 77246.

It is an arithmetic number, because the mean of its divisors is an integer number (121756635).

Almost surely, 2^2049807590 is an apocalyptic number.

2049807590 is a deficient number, since it is larger than the sum of its proper divisors (1846404730).

2049807590 is a wasteful number, since it uses less digits than its factorization.

2049807590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34376.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 2049807590 is about 45274.8008278336. The cubic root of 2049807590 is about 1270.2943476293.

The spelling of 2049807590 in words is "two billion, forty-nine million, eight hundred seven thousand, five hundred ninety".