25542673238032 has 80 divisors (see below), whose sum is σ = 50534170182000. Its totient is φ = 12505148467200.

The previous prime is 25542673237993. The next prime is 25542673238153. The reversal of 25542673238032 is 23083237624552.

It can be written as a sum of positive squares in 8 ways, for example, as 7197008060176 + 18345665177856 = 2682724^2 + 4283184^2 .

It is a super-2 number, since 2×25542673238032² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54907918 + ... + 55371154.

It is an arithmetic number, because the mean of its divisors is an integer number (631677127275).

Almost surely, 2^{25542673238032} is an apocalyptic number.

It is an amenable number.

25542673238032 is a deficient number, since it is larger than the sum of its proper divisors (24991496943968).

25542673238032 is a wasteful number, since it uses less digits than its factorization.

25542673238032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463724 (or 463718 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 52.

The spelling of 25542673238032 in words is "twenty-five trillion, five hundred forty-two billion, six hundred seventy-three million, two hundred thirty-eight thousand, thirty-two".