2538766490 has 32 divisors (see below), whose sum is σ = 4924369296. Its totient is φ = 936806400.

The previous prime is 2538766463. The next prime is 2538766493. The reversal of 2538766490 is 946678352.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 40666129 + 2498100361 = 6377^2 + 49981^2 .

It is not an unprimeable number, because it can be changed into a prime (2538766493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241994 + ... + 252266.

Almost surely, 2^2538766490 is an apocalyptic number.

2538766490 is a deficient number, since it is larger than the sum of its proper divisors (2385602806).

2538766490 is a wasteful number, since it uses less digits than its factorization.

2538766490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12194.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The square root of 2538766490 is about 50386.1735995104. The cubic root of 2538766490 is about 1364.1880862653.

The spelling of 2538766490 in words is "two billion, five hundred thirty-eight million, seven hundred sixty-six thousand, four hundred ninety".