25260134620 has 48 divisors (see below), whose sum is σ = 60657524928. Its totient is φ = 8655874560.

The previous prime is 25260134569. The next prime is 25260134621. The reversal of 25260134620 is 2643106252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25260134621) 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, 212064 + ... + 309016.

It is an arithmetic number, because the mean of its divisors is an integer number (1263698436).

Almost surely, 2^25260134620 is an apocalyptic number.

25260134620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25260134620 is an abundant number, since it is smaller than the sum of its proper divisors (35397390308).

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

25260134620 is a wasteful number, since it uses less digits than its factorization.

25260134620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98830 (or 98828 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 25260134620 in words is "twenty-five billion, two hundred sixty million, one hundred thirty-four thousand, six hundred twenty".