26690666429376 has 112 divisors (see below), whose sum is σ = 83081241182880. Its totient is φ = 8373542400000.

The previous prime is 26690666429369. The next prime is 26690666429381. The reversal of 26690666429376 is 67392466609662.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454264375 + ... + 454323126.

Almost surely, 2^{26690666429376} is an apocalyptic number.

It is an amenable number.

26690666429376 is an abundant number, since it is smaller than the sum of its proper divisors (56390574753504).

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

26690666429376 is a wasteful number, since it uses less digits than its factorization.

26690666429376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908587539 (or 908587523 counting only the distinct ones).

The product of its (nonzero) digits is 1269789696, while the sum is 72.

The spelling of 26690666429376 in words is "twenty-six trillion, six hundred ninety billion, six hundred sixty-six million, four hundred twenty-nine thousand, three hundred seventy-six".