26628040250 has 128 divisors (see below), whose sum is σ = 59259492864. Its totient is φ = 8769600000.

The previous prime is 26628040247. The next prime is 26628040267. The reversal of 26628040250 is 5204082662.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 26628040250.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4587350 + ... + 4593150.

It is an arithmetic number, because the mean of its divisors is an integer number (462964788).

Almost surely, 2^26628040250 is an apocalyptic number.

26628040250 is an abundant number, since it is smaller than the sum of its proper divisors (32631452614).

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

26628040250 is a wasteful number, since it uses less digits than its factorization.

26628040250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5929 (or 5919 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 26628040250 in words is "twenty-six billion, six hundred twenty-eight million, forty thousand, two hundred fifty".