25004464384 has 27 divisors (see below), whose sum is σ = 49916305803. Its totient is φ = 12500967168.

The previous prime is 25004464369. The next prime is 25004464409. The reversal of 25004464384 is 48346440052.

The square root of 25004464384 is 158128.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2525107 + ... + 2534989.

Almost surely, 2^25004464384 is an apocalyptic number.

25004464384 is the 158128-th square number.

It is an amenable number.

25004464384 is a deficient number, since it is larger than the sum of its proper divisors (24911841419).

25004464384 is an frugal number, since it uses more digits than its factorization.

25004464384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19782 (or 9885 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 40.

The spelling of 25004464384 in words is "twenty-five billion, four million, four hundred sixty-four thousand, three hundred eighty-four".