26069977444 has 81 divisors (see below), whose sum is σ = 56103676083. Its totient is φ = 10567364976.

The previous prime is 26069977399. The next prime is 26069977459. The reversal of 26069977444 is 44477996062.

The square root of 26069977444 is 161462.

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

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 42948589 + ... + 42949195.

Almost surely, 2^26069977444 is an apocalyptic number.

26069977444 is the 161462-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26069977444

26069977444 is an abundant number, since it is smaller than the sum of its proper divisors (30033698639).

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

26069977444 is an equidigital number, since it uses as much as digits as its factorization.

26069977444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 58.

The spelling of 26069977444 in words is "twenty-six billion, sixty-nine million, nine hundred seventy-seven thousand, four hundred forty-four".