2051490276 has 72 divisors (see below), whose sum is σ = 5852246400. Its totient is φ = 600223680.

The previous prime is 2051490251. The next prime is 2051490277. The reversal of 2051490276 is 6720941502.

It is a super-2 number, since 2×2051490276² = 8417224705045112352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2051490276.

It is not an unprimeable number, because it can be changed into a prime (2051490277) 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, 77836 + ... + 100803.

It is an arithmetic number, because the mean of its divisors is an integer number (81281200).

Almost surely, 2^2051490276 is an apocalyptic number.

It is an amenable number.

2051490276 is an abundant number, since it is smaller than the sum of its proper divisors (3800756124).

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

2051490276 is a wasteful number, since it uses less digits than its factorization.

2051490276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178689 (or 178684 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 2051490276 is about 45293.3800460950. The cubic root of 2051490276 is about 1270.6418472189.

The spelling of 2051490276 in words is "two billion, fifty-one million, four hundred ninety thousand, two hundred seventy-six".