26840630480 has 40 divisors (see below), whose sum is σ = 62411338752. Its totient is φ = 10735069824.

The previous prime is 26840630473. The next prime is 26840630513. The reversal of 26840630480 is 8403604862.

It is a tau number, because it is divible by the number of its divisors (40).

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, 1274597 + ... + 1295483.

Almost surely, 2^26840630480 is an apocalyptic number.

26840630480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26840630480 is an abundant number, since it is smaller than the sum of its proper divisors (35570708272).

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

26840630480 is a wasteful number, since it uses less digits than its factorization.

26840630480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36963 (or 36957 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 41.

The spelling of 26840630480 in words is "twenty-six billion, eight hundred forty million, six hundred thirty thousand, four hundred eighty".