26650415059216 has 45 divisors (see below), whose sum is σ = 55913212845711. Its totient is φ = 12300067668096.

The previous prime is 26650415059193. The next prime is 26650415059217. The reversal of 26650415059216 is 61295051405662.

The square root of 26650415059216 is 5162404.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 20568075321616 + 6082339737600 = 4535204^2 + 2466240^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (26650415059217) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 268395370 + ... + 268494646.

Almost surely, 2^{26650415059216} is an apocalyptic number.

26650415059216 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

26650415059216 is the 5162404-th square number.

It is an amenable number.

26650415059216 is an abundant number, since it is smaller than the sum of its proper divisors (29262797786495).

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

26650415059216 is an frugal number, since it uses more digits than its factorization.

26650415059216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198588 (or 99292 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 52.

The spelling of 26650415059216 in words is "twenty-six trillion, six hundred fifty billion, four hundred fifteen million, fifty-nine thousand, two hundred sixteen".