26198880904 has 32 divisors (see below), whose sum is σ = 56317596480. Its totient is φ = 11192664384.

The previous prime is 26198880889. The next prime is 26198880907. The reversal of 26198880904 is 40908889162.

It is not an unprimeable number, because it can be changed into a prime (26198880907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 720162 + ... + 755665.

It is an arithmetic number, because the mean of its divisors is an integer number (1759924890).

Almost surely, 2^26198880904 is an apocalyptic number.

It is an amenable number.

26198880904 is an abundant number, since it is smaller than the sum of its proper divisors (30118715576).

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

26198880904 is a wasteful number, since it uses less digits than its factorization.

26198880904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476157 (or 1476153 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 55.

The spelling of 26198880904 in words is "twenty-six billion, one hundred ninety-eight million, eight hundred eighty thousand, nine hundred four".