25719041280 has 72 divisors (see below), whose sum is σ = 82140200352. Its totient is φ = 6858409984.

The previous prime is 25719041213. The next prime is 25719041291. The reversal of 25719041280 is 8214091752.

It is a super-2 number, since 2×25719041280² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3344994 + ... + 3352673.

It is an arithmetic number, because the mean of its divisors is an integer number (1140836116).

Almost surely, 2^25719041280 is an apocalyptic number.

25719041280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25719041280 is an abundant number, since it is smaller than the sum of its proper divisors (56421159072).

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

25719041280 is an equidigital number, since it uses as much as digits as its factorization.

25719041280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6697691 (or 6697677 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The spelling of 25719041280 in words is "twenty-five billion, seven hundred nineteen million, forty-one thousand, two hundred eighty".