26410641720 has 64 divisors (see below), whose sum is σ = 83892633120. Its totient is φ = 6628552704.

The previous prime is 26410641671. The next prime is 26410641731. The reversal of 26410641720 is 2714601462.

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, 6471157 + ... + 6475236.

Almost surely, 2^26410641720 is an apocalyptic number.

26410641720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26410641720 is an abundant number, since it is smaller than the sum of its proper divisors (57481991400).

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

26410641720 is a wasteful number, since it uses less digits than its factorization.

26410641720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12946424 (or 12946420 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The spelling of 26410641720 in words is "twenty-six billion, four hundred ten million, six hundred forty-one thousand, seven hundred twenty".