25433564032 has 16 divisors (see below), whose sum is σ = 50668428600. Its totient is φ = 12716781952.

The previous prime is 25433563993. The next prime is 25433564077. The reversal of 25433564032 is 23046533452.

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 25433563982 and 25433564000.

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 as a sum of consecutive naturals, namely, 99349732 + ... + 99349987.

Almost surely, 2^25433564032 is an apocalyptic number.

It is an amenable number.

25433564032 is a deficient number, since it is larger than the sum of its proper divisors (25234864568).

25433564032 is an equidigital number, since it uses as much as digits as its factorization.

25433564032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198699733 (or 198699721 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 37.

The spelling of 25433564032 in words is "twenty-five billion, four hundred thirty-three million, five hundred sixty-four thousand, thirty-two".