25023211244 has 12 divisors (see below), whose sum is σ = 43793954904. Its totient is φ = 12510652704.

The previous prime is 25023211243. The next prime is 25023211277. The reversal of 25023211244 is 44211232052.

It is a super-2 number, since 2×25023211244² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25023211243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177422 + ... + 285525.

It is an arithmetic number, because the mean of its divisors is an integer number (3649496242).

Almost surely, 2^25023211244 is an apocalyptic number.

It is an amenable number.

25023211244 is a deficient number, since it is larger than the sum of its proper divisors (18770743660).

25023211244 is a wasteful number, since it uses less digits than its factorization.

25023211244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476464 (or 476462 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 25023211244 its reverse (44211232052), we get a palindrome (69234443296).

The spelling of 25023211244 in words is "twenty-five billion, twenty-three million, two hundred eleven thousand, two hundred forty-four".