26990427288902 has 32 divisors (see below), whose sum is σ = 50538936510720. Its totient is φ = 10502556677280.

The previous prime is 26990427288889. The next prime is 26990427288911. The reversal of 26990427288902 is 20988272409962.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109828652 + ... + 110074127.

It is an arithmetic number, because the mean of its divisors is an integer number (1579341765960).

Almost surely, 2^{26990427288902} is an apocalyptic number.

26990427288902 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

26990427288902 is a deficient number, since it is larger than the sum of its proper divisors (23548509221818).

26990427288902 is a wasteful number, since it uses less digits than its factorization.

26990427288902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219903596.

The product of its (nonzero) digits is 125411328, while the sum is 68.

The spelling of 26990427288902 in words is "twenty-six trillion, nine hundred ninety billion, four hundred twenty-seven million, two hundred eighty-eight thousand, nine hundred two".