26697468444 has 24 divisors (see below), whose sum is σ = 62299617408. Its totient is φ = 8898366960.

The previous prime is 26697468433. The next prime is 26697468463. The reversal of 26697468444 is 44486479662.

It is a super-2 number, since 2×26697468444² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51439 + ... + 236729.

It is an arithmetic number, because the mean of its divisors is an integer number (2595817392).

Almost surely, 2^26697468444 is an apocalyptic number.

It is an amenable number.

26697468444 is an abundant number, since it is smaller than the sum of its proper divisors (35602148964).

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

26697468444 is a wasteful number, since it uses less digits than its factorization.

26697468444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197305 (or 197303 counting only the distinct ones).

The product of its digits is 55738368, while the sum is 60.

The spelling of 26697468444 in words is "twenty-six billion, six hundred ninety-seven million, four hundred sixty-eight thousand, four hundred forty-four".