25200442104 has 32 divisors (see below), whose sum is σ = 63005040000. Its totient is φ = 8399622752.

The previous prime is 25200442103. The next prime is 25200442193. The reversal of 25200442104 is 40124400252.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25200442103) 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, 647797 + ... + 685595.

It is an arithmetic number, because the mean of its divisors is an integer number (1968907500).

Almost surely, 2^25200442104 is an apocalyptic number.

25200442104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25200442104 is an abundant number, since it is smaller than the sum of its proper divisors (37804597896).

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

25200442104 is a wasteful number, since it uses less digits than its factorization.

25200442104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65587 (or 65583 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 25200442104 its reverse (40124400252), we get a palindrome (65324842356).

The spelling of 25200442104 in words is "twenty-five billion, two hundred million, four hundred forty-two thousand, one hundred four".