26387650248 has 16 divisors (see below), whose sum is σ = 65969125680. Its totient is φ = 8795883408.

The previous prime is 26387650183. The next prime is 26387650259. The reversal of 26387650248 is 84205678362.

It is a super-2 number, since 2×26387650248² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26387650248.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549742690 + ... + 549742737.

It is an arithmetic number, because the mean of its divisors is an integer number (4123070355).

Almost surely, 2^26387650248 is an apocalyptic number.

It is an amenable number.

26387650248 is an abundant number, since it is smaller than the sum of its proper divisors (39581475432).

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

26387650248 is a wasteful number, since it uses less digits than its factorization.

26387650248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099485436 (or 1099485432 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 26387650248 in words is "twenty-six billion, three hundred eighty-seven million, six hundred fifty thousand, two hundred forty-eight".