26456040512220 has 96 divisors (see below), whose sum is σ = 80812137563136. Its totient is φ = 6413509446400.

The previous prime is 26456040512219. The next prime is 26456040512323. The reversal of 26456040512220 is 2221504065462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72014842 + ... + 72381278.

It is an arithmetic number, because the mean of its divisors is an integer number (841793099616).

Almost surely, 2^{26456040512220} is an apocalyptic number.

26456040512220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26456040512220 is an abundant number, since it is smaller than the sum of its proper divisors (54356097050916).

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

26456040512220 is a wasteful number, since it uses less digits than its factorization.

26456040512220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475851 (or 475849 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

Adding to 26456040512220 its reverse (2221504065462), we get a palindrome (28677544577682).

The spelling of 26456040512220 in words is "twenty-six trillion, four hundred fifty-six billion, forty million, five hundred twelve thousand, two hundred twenty".