25722782029460 has 12 divisors (see below), whose sum is σ = 54017842261908. Its totient is φ = 10289112811776.

The previous prime is 25722782029459. The next prime is 25722782029513. The reversal of 25722782029460 is 6492028722752.

It can be written as a sum of positive squares in 2 ways, for example, as 3639380336656 + 22083401692804 = 1907716^2 + 4699298^2 .

It is a super-3 number, since 3×25722782029460³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 25722782029396 and 25722782029405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 643069550717 + ... + 643069550756.

It is an arithmetic number, because the mean of its divisors is an integer number (4501486855159).

Almost surely, 2^{25722782029460} is an apocalyptic number.

25722782029460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25722782029460 is an abundant number, since it is smaller than the sum of its proper divisors (28295060232448).

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

25722782029460 is a wasteful number, since it uses less digits than its factorization.

25722782029460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286139101482 (or 1286139101480 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 25722782029460 in words is "twenty-five trillion, seven hundred twenty-two billion, seven hundred eighty-two million, twenty-nine thousand, four hundred sixty".