7426422348664 has 64 divisors (see below), whose sum is σ = 15239238600960. Its totient is φ = 3364802058240.

The previous prime is 7426422348661. The next prime is 7426422348703. The reversal of 7426422348664 is 4668432246247.

It is a super-2 number, since 2×7426422348664² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7426422348599 and 7426422348608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7426422348661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95752669 + ... + 95830195.

It is an arithmetic number, because the mean of its divisors is an integer number (238113103140).

Almost surely, 2^{7426422348664} is an apocalyptic number.

It is an amenable number.

7426422348664 is an abundant number, since it is smaller than the sum of its proper divisors (7812816252296).

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

7426422348664 is a wasteful number, since it uses less digits than its factorization.

7426422348664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81028 (or 81024 counting only the distinct ones).

The product of its digits is 74317824, while the sum is 58.

The spelling of 7426422348664 in words is "seven trillion, four hundred twenty-six billion, four hundred twenty-two million, three hundred forty-eight thousand, six hundred sixty-four".