26655117240 has 64 divisors (see below), whose sum is σ = 80699018400. Its totient is φ = 7042816512.

The previous prime is 26655117199. The next prime is 26655117299. The reversal of 26655117240 is 4271155662.

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, 1005847 + ... + 1032006.

Almost surely, 2^26655117240 is an apocalyptic number.

26655117240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26655117240 is an abundant number, since it is smaller than the sum of its proper divisors (54043901160).

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

26655117240 is a wasteful number, since it uses less digits than its factorization.

26655117240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037976 (or 2037972 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 26655117240 in words is "twenty-six billion, six hundred fifty-five million, one hundred seventeen thousand, two hundred forty".