25015541460 has 384 divisors, whose sum is σ = 87957273600. Its totient is φ = 5172166656.

The previous prime is 25015541459. The next prime is 25015541477. The reversal of 25015541460 is 6414551052.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 78913222 + ... + 78913538.

It is an arithmetic number, because the mean of its divisors is an integer number (229055400).

Almost surely, 2^25015541460 is an apocalyptic number.

25015541460 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 25015541460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43978636800).

25015541460 is an abundant number, since it is smaller than the sum of its proper divisors (62941732140).

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

25015541460 is a wasteful number, since it uses less digits than its factorization.

25015541460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595 (or 593 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 25015541460 in words is "twenty-five billion, fifteen million, five hundred forty-one thousand, four hundred sixty".