2506540998 has 32 divisors (see below), whose sum is σ = 5459378400. Its totient is φ = 762575616.

The previous prime is 2506540997. The next prime is 2506541077. The reversal of 2506540998 is 8990456052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2506540997) by changing a digit.

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, 173593 + ... + 187476.

It is an arithmetic number, because the mean of its divisors is an integer number (170605575).

Almost surely, 2^2506540998 is an apocalyptic number.

2506540998 is an abundant number, since it is smaller than the sum of its proper divisors (2952837402).

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

2506540998 is a wasteful number, since it uses less digits than its factorization.

2506540998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361176.

The product of its (nonzero) digits is 777600, while the sum is 48.

The square root of 2506540998 is about 50065.3672512247. The cubic root of 2506540998 is about 1358.3914441606.

The spelling of 2506540998 in words is "two billion, five hundred six million, five hundred forty thousand, nine hundred ninety-eight".