25262601740 has 48 divisors (see below), whose sum is σ = 54504357600. Its totient is φ = 9828490752.

The previous prime is 25262601659. The next prime is 25262601743. The reversal of 25262601740 is 4710626252.

It is a self number, because there is not a number n which added to its sum of digits gives 25262601740.

It is not an unprimeable number, because it can be changed into a prime (25262601743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3495851 + ... + 3503069.

It is an arithmetic number, because the mean of its divisors is an integer number (1135507450).

Almost surely, 2^25262601740 is an apocalyptic number.

25262601740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25262601740 is an abundant number, since it is smaller than the sum of its proper divisors (29241755860).

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

25262601740 is a wasteful number, since it uses less digits than its factorization.

25262601740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11994 (or 11992 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 25262601740 in words is "twenty-five billion, two hundred sixty-two million, six hundred one thousand, seven hundred forty".