25400334003 has 16 divisors (see below), whose sum is σ = 38137746432. Its totient is φ = 14897556000.

The previous prime is 25400333927. The next prime is 25400334031. The reversal of 25400334003 is 30043300452.

It is not a de Polignac number, because 25400334003 - 2⁸ = 25400333747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25400314003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12413608 + ... + 12415653.

It is an arithmetic number, because the mean of its divisors is an integer number (2383609152).

Almost surely, 2^25400334003 is an apocalyptic number.

25400334003 is a deficient number, since it is larger than the sum of its proper divisors (12737412429).

25400334003 is a wasteful number, since it uses less digits than its factorization.

25400334003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24829306.

The product of its (nonzero) digits is 4320, while the sum is 24.

Adding to 25400334003 its reverse (30043300452), we get a palindrome (55443634455).

The spelling of 25400334003 in words is "twenty-five billion, four hundred million, three hundred thirty-four thousand, three".