26994396585 has 64 divisors (see below), whose sum is σ = 49262976000. Its totient is φ = 12512579328.

The previous prime is 26994396581. The next prime is 26994396587. The reversal of 26994396585 is 58569349962.

It is not a de Polignac number, because 26994396585 - 2² = 26994396581 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26994396581) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 581566 + ... + 626264.

It is an arithmetic number, because the mean of its divisors is an integer number (769734000).

Almost surely, 2^26994396585 is an apocalyptic number.

It is an amenable number.

26994396585 is a deficient number, since it is larger than the sum of its proper divisors (22268579415).

26994396585 is a wasteful number, since it uses less digits than its factorization.

26994396585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44902.

The product of its digits is 125971200, while the sum is 66.

The spelling of 26994396585 in words is "twenty-six billion, nine hundred ninety-four million, three hundred ninety-six thousand, five hundred eighty-five".