25260331434 has 32 divisors (see below), whose sum is σ = 55298793984. Its totient is φ = 7644991680.

The previous prime is 25260331423. The next prime is 25260331471. The reversal of 25260331434 is 43413306252.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 25260331395 and 25260331404.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2649754 + ... + 2659269.

It is an arithmetic number, because the mean of its divisors is an integer number (1728087312).

Almost surely, 2^25260331434 is an apocalyptic number.

25260331434 is an abundant number, since it is smaller than the sum of its proper divisors (30038462550).

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

25260331434 is a wasteful number, since it uses less digits than its factorization.

25260331434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5309102.

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 25260331434 its reverse (43413306252), we get a palindrome (68673637686).

The spelling of 25260331434 in words is "twenty-five billion, two hundred sixty million, three hundred thirty-one thousand, four hundred thirty-four".