25950248238 has 32 divisors (see below), whose sum is σ = 52324601472. Its totient is φ = 8579469600.

The previous prime is 25950248173. The next prime is 25950248239. The reversal of 25950248238 is 83284205952.

It is a super-2 number, since 2×25950248238² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25950248239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1667220 + ... + 1682712.

It is an arithmetic number, because the mean of its divisors is an integer number (1635143796).

Almost surely, 2^25950248238 is an apocalyptic number.

25950248238 is an abundant number, since it is smaller than the sum of its proper divisors (26374353234).

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

25950248238 is a wasteful number, since it uses less digits than its factorization.

25950248238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17760.

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 25950248238 in words is "twenty-five billion, nine hundred fifty million, two hundred forty-eight thousand, two hundred thirty-eight".