25660701360 has 240 divisors, whose sum is σ = 101665873920. Its totient is φ = 5676065280.

The previous prime is 25660701263. The next prime is 25660701377. The reversal of 25660701360 is 6310706652.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 74121 + ... + 238359.

It is an arithmetic number, because the mean of its divisors is an integer number (423607808).

Almost surely, 2^25660701360 is an apocalyptic number.

25660701360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25660701360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50832936960).

25660701360 is an abundant number, since it is smaller than the sum of its proper divisors (76005172560).

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

25660701360 is a wasteful number, since it uses less digits than its factorization.

25660701360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164296 (or 164287 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 25660701360 in words is "twenty-five billion, six hundred sixty million, seven hundred one thousand, three hundred sixty".