25465702080 has 224 divisors, whose sum is σ = 99512469504. Its totient is φ = 5372964864.

The previous prime is 25465702037. The next prime is 25465702081. The reversal of 25465702080 is 8020756452.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (25465702081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58392 + ... + 233111.

It is an arithmetic number, because the mean of its divisors is an integer number (444252096).

Almost surely, 2^25465702080 is an apocalyptic number.

25465702080 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 25465702080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49756234752).

25465702080 is an abundant number, since it is smaller than the sum of its proper divisors (74046767424).

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

25465702080 is a wasteful number, since it uses less digits than its factorization.

25465702080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291543 (or 291533 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The spelling of 25465702080 in words is "twenty-five billion, four hundred sixty-five million, seven hundred two thousand, eighty".