26340145522 has 4 divisors (see below), whose sum is σ = 39510218286. Its totient is φ = 13170072760.

The previous prime is 26340145501. The next prime is 26340145553. The reversal of 26340145522 is 22554104362.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15375752001 + 10964393521 = 123999^2 + 104711^2 .

It is a super-2 number, since 2×26340145522² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6585036379 + ... + 6585036382.

Almost surely, 2^26340145522 is an apocalyptic number.

26340145522 is a deficient number, since it is larger than the sum of its proper divisors (13170072764).

26340145522 is a wasteful number, since it uses less digits than its factorization.

26340145522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13170072763.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 26340145522 its reverse (22554104362), we get a palindrome (48894249884).

The spelling of 26340145522 in words is "twenty-six billion, three hundred forty million, one hundred forty-five thousand, five hundred twenty-two".