25430043204 has 24 divisors (see below), whose sum is σ = 65929741920. Its totient is φ = 8476681032.

The previous prime is 25430043193. The next prime is 25430043209. The reversal of 25430043204 is 40234003452.

25430043204 is a `hidden beast` number, since 25 + 430 + 0 + 4 + 3 + 204 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (25430043209) 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, 117731574 + ... + 117731789.

It is an arithmetic number, because the mean of its divisors is an integer number (2747072580).

Almost surely, 2^25430043204 is an apocalyptic number.

It is an amenable number.

25430043204 is an abundant number, since it is smaller than the sum of its proper divisors (40499698716).

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

25430043204 is a wasteful number, since it uses less digits than its factorization.

25430043204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235463376 (or 235463368 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 25430043204 its reverse (40234003452), we get a palindrome (65664046656).

The spelling of 25430043204 in words is "twenty-five billion, four hundred thirty million, forty-three thousand, two hundred four".