26351400612 has 24 divisors (see below), whose sum is σ = 61878240256. Its totient is φ = 8727851808.

The previous prime is 26351400563. The next prime is 26351400619. The reversal of 26351400612 is 21600415362.

It is a super-2 number, since 2×26351400612² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26351400612.

It is not an unprimeable number, because it can be changed into a prime (26351400619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6991588 + ... + 6995355.

Almost surely, 2^26351400612 is an apocalyptic number.

It is an amenable number.

26351400612 is an abundant number, since it is smaller than the sum of its proper divisors (35526839644).

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

26351400612 is a wasteful number, since it uses less digits than its factorization.

26351400612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13987107 (or 13987105 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 26351400612 its reverse (21600415362), we get a palindrome (47951815974).

The spelling of 26351400612 in words is "twenty-six billion, three hundred fifty-one million, four hundred thousand, six hundred twelve".