26031225550 has 48 divisors (see below), whose sum is σ = 53364365712. Its totient is φ = 9368294400.

The previous prime is 26031225541. The next prime is 26031225551. The reversal of 26031225550 is 5552213062.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26031225551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190617 + ... + 297316.

It is an arithmetic number, because the mean of its divisors is an integer number (1111757619).

Almost surely, 2^26031225550 is an apocalyptic number.

26031225550 is an abundant number, since it is smaller than the sum of its proper divisors (27333140162).

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

26031225550 is a wasteful number, since it uses less digits than its factorization.

26031225550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488053 (or 488048 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 26031225550 in words is "twenty-six billion, thirty-one million, two hundred twenty-five thousand, five hundred fifty".