25422134200 has 48 divisors (see below), whose sum is σ = 59282009280. Its totient is φ = 10138652160.

The previous prime is 25422134147. The next prime is 25422134249. The reversal of 25422134200 is 243122452.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121192 + ... + 255991.

It is an arithmetic number, because the mean of its divisors is an integer number (1235041860).

Almost surely, 2^25422134200 is an apocalyptic number.

25422134200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25422134200 is an abundant number, since it is smaller than the sum of its proper divisors (33859875080).

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

25422134200 is a wasteful number, since it uses less digits than its factorization.

25422134200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377536 (or 377527 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 25422134200 its reverse (243122452), we get a palindrome (25665256652).

The spelling of 25422134200 in words is "twenty-five billion, four hundred twenty-two million, one hundred thirty-four thousand, two hundred".