25755808050 has 72 divisors (see below), whose sum is σ = 79082605056. Its totient is φ = 5887041120.

The previous prime is 25755808009. The next prime is 25755808069. The reversal of 25755808050 is 5080855752.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 25755807987 and 25755808005.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4085074 + ... + 4091373.

Almost surely, 2^25755808050 is an apocalyptic number.

25755808050 is an abundant number, since it is smaller than the sum of its proper divisors (53326797006).

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

25755808050 is a wasteful number, since it uses less digits than its factorization.

25755808050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8176472 (or 8176464 counting only the distinct ones).

The product of its (nonzero) digits is 560000, while the sum is 45.

The spelling of 25755808050 in words is "twenty-five billion, seven hundred fifty-five million, eight hundred eight thousand, fifty".