25263067044 has 12 divisors (see below), whose sum is σ = 58947156464. Its totient is φ = 8421022344.

The previous prime is 25263067021. The next prime is 25263067103. The reversal of 25263067044 is 44076036252.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 25263066993 and 25263067011.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1052627782 + ... + 1052627805.

Almost surely, 2^25263067044 is an apocalyptic number.

It is an amenable number.

25263067044 is an abundant number, since it is smaller than the sum of its proper divisors (33684089420).

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

25263067044 is a wasteful number, since it uses less digits than its factorization.

25263067044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105255594 (or 2105255592 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 39.

The spelling of 25263067044 in words is "twenty-five billion, two hundred sixty-three million, sixty-seven thousand, forty-four".