25272351635442 has 16 divisors (see below), whose sum is σ = 50545039756512. Its totient is φ = 8424061130880.

The previous prime is 25272351635417. The next prime is 25272351635501. The reversal of 25272351635442 is 24453615327252.

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, 13038559 + ... + 14850882.

It is an arithmetic number, because the mean of its divisors is an integer number (3159064984782).

Almost surely, 2^{25272351635442} is an apocalyptic number.

25272351635442 is an abundant number, since it is smaller than the sum of its proper divisors (25272688121070).

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

25272351635442 is a wasteful number, since it uses less digits than its factorization.

25272351635442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28040473.

The product of its digits is 12096000, while the sum is 51.

The spelling of 25272351635442 in words is "twenty-five trillion, two hundred seventy-two billion, three hundred fifty-one million, six hundred thirty-five thousand, four hundred forty-two".