25342322240 has 56 divisors (see below), whose sum is σ = 60361202112. Its totient is φ = 10134443520.

The previous prime is 25342322237. The next prime is 25342322251. The reversal of 25342322240 is 4222324352.

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, 1857845 + ... + 1871435.

Almost surely, 2^25342322240 is an apocalyptic number.

25342322240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25342322240 is an abundant number, since it is smaller than the sum of its proper divisors (35018879872).

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

25342322240 is a wasteful number, since it uses less digits than its factorization.

25342322240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19435 (or 19425 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 25342322240 its reverse (4222324352), we get a palindrome (29564646592).

The spelling of 25342322240 in words is "twenty-five billion, three hundred forty-two million, three hundred twenty-two thousand, two hundred forty".