25962578620 has 48 divisors (see below), whose sum is σ = 59671801728. Its totient is φ = 9410160960.

The previous prime is 25962578617. The next prime is 25962578683. The reversal of 25962578620 is 2687526952.

It is a super-2 number, since 2×25962578620² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124662 + ... + 259741.

It is an arithmetic number, because the mean of its divisors is an integer number (1243162536).

Almost surely, 2^25962578620 is an apocalyptic number.

25962578620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25962578620 is an abundant number, since it is smaller than the sum of its proper divisors (33709223108).

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

25962578620 is a wasteful number, since it uses less digits than its factorization.

25962578620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384730 (or 384728 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 25962578620 in words is "twenty-five billion, nine hundred sixty-two million, five hundred seventy-eight thousand, six hundred twenty".