25040424423 has 16 divisors (see below), whose sum is σ = 38210677760. Its totient is φ = 14288623776.

The previous prime is 25040424391. The next prime is 25040424427. The reversal of 25040424423 is 32442404052.

It is not a de Polignac number, because 25040424423 - 2⁵ = 25040424391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25040424427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 826015 + ... + 855792.

It is an arithmetic number, because the mean of its divisors is an integer number (2388167360).

Almost surely, 2^25040424423 is an apocalyptic number.

25040424423 is a deficient number, since it is larger than the sum of its proper divisors (13170253337).

25040424423 is a wasteful number, since it uses less digits than its factorization.

25040424423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682526.

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 25040424423 its reverse (32442404052), we get a palindrome (57482828475).

The spelling of 25040424423 in words is "twenty-five billion, forty million, four hundred twenty-four thousand, four hundred twenty-three".