26411643351620 has 24 divisors (see below), whose sum is σ = 55486142366424. Its totient is φ = 10560525659136.

The previous prime is 26411643351539. The next prime is 26411643351649. The reversal of 26411643351620 is 2615334611462.

It can be written as a sum of positive squares in 4 ways, for example, as 1813396197376 + 24598247154244 = 1346624^2 + 4959662^2 .

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, 258177677 + ... + 258279956.

It is an arithmetic number, because the mean of its divisors is an integer number (2311922598601).

Almost surely, 2^{26411643351620} is an apocalyptic number.

26411643351620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26411643351620 is an abundant number, since it is smaller than the sum of its proper divisors (29074499014804).

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

26411643351620 is a wasteful number, since it uses less digits than its factorization.

26411643351620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516460199 (or 516460197 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 26411643351620 in words is "twenty-six trillion, four hundred eleven billion, six hundred forty-three million, three hundred fifty-one thousand, six hundred twenty".