26456246620 has 24 divisors (see below), whose sum is σ = 55596948624. Its totient is φ = 10575102336.

The previous prime is 26456246603. The next prime is 26456246657. The reversal of 26456246620 is 2664265462.

It is a super-2 number, since 2×26456246620² (a number of 22 digits) contains 22 as substring.

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, 432894 + ... + 490213.

It is an arithmetic number, because the mean of its divisors is an integer number (2316539526).

Almost surely, 2^26456246620 is an apocalyptic number.

26456246620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26456246620 is an abundant number, since it is smaller than the sum of its proper divisors (29140702004).

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

26456246620 is a wasteful number, since it uses less digits than its factorization.

26456246620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924549 (or 924547 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 26456246620 in words is "twenty-six billion, four hundred fifty-six million, two hundred forty-six thousand, six hundred twenty".