26225771550 has 96 divisors (see below), whose sum is σ = 73399409280. Its totient is φ = 6138518400.

The previous prime is 26225771549. The next prime is 26225771557. The reversal of 26225771550 is 5517752262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26225771557) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 226192 + ... + 321891.

It is an arithmetic number, because the mean of its divisors is an integer number (764577180).

Almost surely, 2^26225771550 is an apocalyptic number.

26225771550 is an abundant number, since it is smaller than the sum of its proper divisors (47173637730).

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

26225771550 is a wasteful number, since it uses less digits than its factorization.

26225771550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548138 (or 548133 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 42.

The spelling of 26225771550 in words is "twenty-six billion, two hundred twenty-five million, seven hundred seventy-one thousand, five hundred fifty".