25053865280 has 56 divisors (see below), whose sum is σ = 60115033440. Its totient is φ = 9945029120.

The previous prime is 25053865279. The next prime is 25053865289. The reversal of 25053865280 is 8256835052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25053865289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256910 + ... + 340749.

It is an arithmetic number, because the mean of its divisors is an integer number (1073482740).

Almost surely, 2^25053865280 is an apocalyptic number.

25053865280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25053865280 is an abundant number, since it is smaller than the sum of its proper divisors (35061168160).

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

25053865280 is a wasteful number, since it uses less digits than its factorization.

25053865280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597807 (or 597797 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 44.

The spelling of 25053865280 in words is "twenty-five billion, fifty-three million, eight hundred sixty-five thousand, two hundred eighty".