25011964384 has 48 divisors (see below), whose sum is σ = 53761152816. Its totient is φ = 11360128000.

The previous prime is 25011964349. The next prime is 25011964441. The reversal of 25011964384 is 48346911052.

It is a self number, because there is not a number n which added to its sum of digits gives 25011964384.

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, 430644 + ... + 485260.

It is an arithmetic number, because the mean of its divisors is an integer number (1120024017).

Almost surely, 2^25011964384 is an apocalyptic number.

It is an amenable number.

25011964384 is an abundant number, since it is smaller than the sum of its proper divisors (28749188432).

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

25011964384 is a wasteful number, since it uses less digits than its factorization.

25011964384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55939 (or 55931 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 25011964384 in words is "twenty-five billion, eleven million, nine hundred sixty-four thousand, three hundred eighty-four".