26364656604 has 144 divisors (see below), whose sum is σ = 73546169760. Its totient is φ = 7301184000.

The previous prime is 26364656599. The next prime is 26364656609. The reversal of 26364656604 is 40665646362.

It is an interprime number because it is at equal distance from previous prime (26364656599) and next prime (26364656609).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26364656609) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1899562 + ... + 1913390.

It is an arithmetic number, because the mean of its divisors is an integer number (510737290).

Almost surely, 2^26364656604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26364656604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36773084880).

26364656604 is an abundant number, since it is smaller than the sum of its proper divisors (47181513156).

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

26364656604 is a wasteful number, since it uses less digits than its factorization.

26364656604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13972 (or 13959 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 48.

The spelling of 26364656604 in words is "twenty-six billion, three hundred sixty-four million, six hundred fifty-six thousand, six hundred four".