25408013034 has 64 divisors (see below), whose sum is σ = 55073488896. Its totient is φ = 7784012544.

The previous prime is 25408013011. The next prime is 25408013039. The reversal of 25408013034 is 43031080452.

It is a junction number, because it is equal to n+sod(n) for n = 25408012992 and 25408013010.

It is not an unprimeable number, because it can be changed into a prime (25408013039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2213899 + ... + 2225345.

It is an arithmetic number, because the mean of its divisors is an integer number (860523264).

Almost surely, 2^25408013034 is an apocalyptic number.

25408013034 is an abundant number, since it is smaller than the sum of its proper divisors (29665475862).

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

25408013034 is a wasteful number, since it uses less digits than its factorization.

25408013034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11979.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 25408013034 its reverse (43031080452), we get a palindrome (68439093486).

The spelling of 25408013034 in words is "twenty-five billion, four hundred eight million, thirteen thousand, thirty-four".