25401231360 has 576 divisors, whose sum is σ = 96405603840. Its totient is φ = 6157762560.

The previous prime is 25401231353. The next prime is 25401231367. The reversal of 25401231360 is 6313210452.

25401231360 is a `hidden beast` number, since 25 + 401 + 231 + 3 + 6 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (25401231353) and next prime (25401231367).

It is a tau number, because it is divible by the number of its divisors (576).

It is not an unprimeable number, because it can be changed into a prime (25401231367) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48568059 + ... + 48568581.

It is an arithmetic number, because the mean of its divisors is an integer number (167370840).

Almost surely, 2^25401231360 is an apocalyptic number.

25401231360 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 25401231360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48202801920).

25401231360 is an abundant number, since it is smaller than the sum of its proper divisors (71004372480).

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

25401231360 is a wasteful number, since it uses less digits than its factorization.

25401231360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604 (or 581 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The spelling of 25401231360 in words is "twenty-five billion, four hundred one million, two hundred thirty-one thousand, three hundred sixty".