2540026899 has 48 divisors (see below), whose sum is σ = 3994559712. Its totient is φ = 1549062144.

The previous prime is 2540026889. The next prime is 2540026901. The reversal of 2540026899 is 9986200452.

2540026899 is a `hidden beast` number, since 2 + 540 + 0 + 26 + 89 + 9 = 666.

It is not a de Polignac number, because 2540026899 - 2²⁷ = 2405809171 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2540026829) 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 47 ways as a sum of consecutive naturals, for example, 1532079 + ... + 1533735.

It is an arithmetic number, because the mean of its divisors is an integer number (83219994).

Almost surely, 2^2540026899 is an apocalyptic number.

2540026899 is a deficient number, since it is larger than the sum of its proper divisors (1454532813).

2540026899 is a wasteful number, since it uses less digits than its factorization.

2540026899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956 (or 1953 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 2540026899 is about 50398.6795362736. The cubic root of 2540026899 is about 1364.4138061809.

The spelling of 2540026899 in words is "two billion, five hundred forty million, twenty-six thousand, eight hundred ninety-nine".