26939811652 has 24 divisors (see below), whose sum is σ = 51382892736. Its totient is φ = 12283952928.

The previous prime is 26939811641. The next prime is 26939811659. The reversal of 26939811652 is 25611893962.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 26939811652.

It is not an unprimeable number, because it can be changed into a prime (26939811659) 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, 3116608 + ... + 3125239.

It is an arithmetic number, because the mean of its divisors is an integer number (2140953864).

Almost surely, 2^26939811652 is an apocalyptic number.

It is an amenable number.

26939811652 is a deficient number, since it is larger than the sum of its proper divisors (24443081084).

26939811652 is a wasteful number, since it uses less digits than its factorization.

26939811652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6241947 (or 6241945 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 52.

The spelling of 26939811652 in words is "twenty-six billion, nine hundred thirty-nine million, eight hundred eleven thousand, six hundred fifty-two".