25450462560 has 48 divisors (see below), whose sum is σ = 80168958576. Its totient is φ = 6786789888.

The previous prime is 25450462559. The next prime is 25450462577. The reversal of 25450462560 is 6526405452.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26510419 + ... + 26511378.

It is an arithmetic number, because the mean of its divisors is an integer number (1670186637).

Almost surely, 2^25450462560 is an apocalyptic number.

25450462560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25450462560 is an abundant number, since it is smaller than the sum of its proper divisors (54718496016).

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

25450462560 is a wasteful number, since it uses less digits than its factorization.

25450462560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53021815 (or 53021807 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

The spelling of 25450462560 in words is "twenty-five billion, four hundred fifty million, four hundred sixty-two thousand, five hundred sixty".