25808033052 has 60 divisors (see below), whose sum is σ = 67512886056. Its totient is φ = 8596864800.

The previous prime is 25808033021. The next prime is 25808033063. The reversal of 25808033052 is 25033080852.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 25808032998 and 25808033016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 467302 + ... + 519602.

Almost surely, 2^25808033052 is an apocalyptic number.

It is an amenable number.

25808033052 is an abundant number, since it is smaller than the sum of its proper divisors (41704853004).

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

25808033052 is a wasteful number, since it uses less digits than its factorization.

25808033052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53840 (or 53829 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 25808033052 in words is "twenty-five billion, eight hundred eight million, thirty-three thousand, fifty-two".