25044268780 has 48 divisors (see below), whose sum is σ = 53373950784. Its totient is φ = 9869162240.

The previous prime is 25044268759. The next prime is 25044268783. The reversal of 25044268780 is 8786244052.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 25044268780.

It is not an unprimeable number, because it can be changed into a prime (25044268783) 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, 2114154 + ... + 2125966.

It is an arithmetic number, because the mean of its divisors is an integer number (1111957308).

Almost surely, 2^25044268780 is an apocalyptic number.

25044268780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25044268780 is an abundant number, since it is smaller than the sum of its proper divisors (28329682004).

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

25044268780 is a wasteful number, since it uses less digits than its factorization.

25044268780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13386 (or 13384 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 46.

The spelling of 25044268780 in words is "twenty-five billion, forty-four million, two hundred sixty-eight thousand, seven hundred eighty".