26940863992 has 16 divisors (see below), whose sum is σ = 57730422960. Its totient is φ = 11546084544.

The previous prime is 26940863981. The next prime is 26940864001. The reversal of 26940863992 is 29936804962.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240543373 + ... + 240543484.

It is an arithmetic number, because the mean of its divisors is an integer number (3608151435).

Almost surely, 2^26940863992 is an apocalyptic number.

It is an amenable number.

26940863992 is an abundant number, since it is smaller than the sum of its proper divisors (30789558968).

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

26940863992 is a wasteful number, since it uses less digits than its factorization.

26940863992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481086870 (or 481086866 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 58.

The spelling of 26940863992 in words is "twenty-six billion, nine hundred forty million, eight hundred sixty-three thousand, nine hundred ninety-two".