2501640026 has 16 divisors (see below), whose sum is σ = 3764517120. Its totient is φ = 1246808640.

The previous prime is 2501640019. The next prime is 2501640067. The reversal of 2501640026 is 6200461052.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2501639977 and 2501640004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1068365 + ... + 1070703.

It is an arithmetic number, because the mean of its divisors is an integer number (235282320).

Almost surely, 2^2501640026 is an apocalyptic number.

2501640026 is a deficient number, since it is larger than the sum of its proper divisors (1262877094).

2501640026 is a wasteful number, since it uses less digits than its factorization.

2501640026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3829.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2501640026 is about 50016.3975711966. The cubic root of 2501640026 is about 1357.5055244550.

The spelling of 2501640026 in words is "two billion, five hundred one million, six hundred forty thousand, twenty-six".