25472033998 has 4 divisors (see below), whose sum is σ = 38208051000. Its totient is φ = 12736016998.

The previous prime is 25472033959. The next prime is 25472033999. The reversal of 25472033998 is 89933027452.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25472033999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6368008498 + ... + 6368008501.

It is an arithmetic number, because the mean of its divisors is an integer number (9552012750).

Almost surely, 2^25472033998 is an apocalyptic number.

25472033998 is a deficient number, since it is larger than the sum of its proper divisors (12736017002).

25472033998 is a wasteful number, since it uses less digits than its factorization.

25472033998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12736017001.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 25472033998 in words is "twenty-five billion, four hundred seventy-two million, thirty-three thousand, nine hundred ninety-eight".