26421155250 has 96 divisors (see below), whose sum is σ = 76714200576. Its totient is φ = 6039112800.

The previous prime is 26421155231. The next prime is 26421155287. The reversal of 26421155250 is 5255112462.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 322722 + ... + 396221.

It is an arithmetic number, because the mean of its divisors is an integer number (799106256).

Almost surely, 2^26421155250 is an apocalyptic number.

26421155250 is an abundant number, since it is smaller than the sum of its proper divisors (50293045326).

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

26421155250 is a wasteful number, since it uses less digits than its factorization.

26421155250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718977 (or 718960 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 26421155250 in words is "twenty-six billion, four hundred twenty-one million, one hundred fifty-five thousand, two hundred fifty".