26681203480 has 16 divisors (see below), whose sum is σ = 60032707920. Its totient is φ = 10672481376.

The previous prime is 26681203477. The next prime is 26681203513. The reversal of 26681203480 is 8430218662.

It is a super-2 number, since 2×26681203480² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 667030087 = 26681203480 / (2 + 6 + 6 + 8 + 1 + 2 + 0 + 3 + 4 + 8 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333515004 + ... + 333515083.

It is an arithmetic number, because the mean of its divisors is an integer number (3752044245).

Almost surely, 2^26681203480 is an apocalyptic number.

26681203480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26681203480 is an abundant number, since it is smaller than the sum of its proper divisors (33351504440).

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

26681203480 is a wasteful number, since it uses less digits than its factorization.

26681203480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667030098 (or 667030094 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 26681203480 in words is "twenty-six billion, six hundred eighty-one million, two hundred three thousand, four hundred eighty".