25145044334 has 32 divisors (see below), whose sum is σ = 40362105600. Its totient is φ = 11713826880.

The previous prime is 25145044307. The next prime is 25145044411. The reversal of 25145044334 is 43344054152.

It is a junction number, because it is equal to n+sod(n) for n = 25145044294 and 25145044303.

It is a congruent number.

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, 1092089 + ... + 1114875.

It is an arithmetic number, because the mean of its divisors is an integer number (1261315800).

Almost surely, 2^25145044334 is an apocalyptic number.

25145044334 is a deficient number, since it is larger than the sum of its proper divisors (15217061266).

25145044334 is a wasteful number, since it uses less digits than its factorization.

25145044334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23288.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 25145044334 its reverse (43344054152), we get a palindrome (68489098486).

The spelling of 25145044334 in words is "twenty-five billion, one hundred forty-five million, forty-four thousand, three hundred thirty-four".