25285412382 has 16 divisors (see below), whose sum is σ = 53232447360. Its totient is φ = 7984867032.

The previous prime is 25285412381. The next prime is 25285412387. The reversal of 25285412382 is 28321458252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25285412381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110900818 + ... + 110901045.

It is an arithmetic number, because the mean of its divisors is an integer number (3327027960).

Almost surely, 2^25285412382 is an apocalyptic number.

25285412382 is an abundant number, since it is smaller than the sum of its proper divisors (27947034978).

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

25285412382 is a wasteful number, since it uses less digits than its factorization.

25285412382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221801887.

The product of its digits is 307200, while the sum is 42.

The spelling of 25285412382 in words is "twenty-five billion, two hundred eighty-five million, four hundred twelve thousand, three hundred eighty-two".