25531414230 has 64 divisors (see below), whose sum is σ = 71458214400. Its totient is φ = 5835749472.

The previous prime is 25531414219. The next prime is 25531414243. The reversal of 25531414230 is 3241413552.

It is a super-2 number, since 2×25531414230² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1230304 + ... + 1250883.

It is an arithmetic number, because the mean of its divisors is an integer number (1116534600).

Almost surely, 2^25531414230 is an apocalyptic number.

25531414230 is an abundant number, since it is smaller than the sum of its proper divisors (45926800170).

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

25531414230 is a wasteful number, since it uses less digits than its factorization.

25531414230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2481218 (or 2481204 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 25531414230 its reverse (3241413552), we get a palindrome (28772827782).

The spelling of 25531414230 in words is "twenty-five billion, five hundred thirty-one million, four hundred fourteen thousand, two hundred thirty".