342406426644 has 144 divisors (see below), whose sum is σ = 917736601600. Its totient is φ = 107341319232.

The previous prime is 342406426601. The next prime is 342406426673. The reversal of 342406426644 is 446624604243.

342406426644 is a `hidden beast` number, since 342 + 4 + 0 + 6 + 4 + 266 + 44 = 666.

It is a super-2 number, since 2×342406426644² (a number of 24 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 342406426644.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57806667 + ... + 57812589.

Almost surely, 2^342406426644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342406426644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (458868300800).

342406426644 is an abundant number, since it is smaller than the sum of its proper divisors (575330174956).

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

342406426644 is a wasteful number, since it uses less digits than its factorization.

342406426644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6554 (or 6549 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 45.

The spelling of 342406426644 in words is "three hundred forty-two billion, four hundred six million, four hundred twenty-six thousand, six hundred forty-four".