6442426662 has 16 divisors (see below), whose sum is σ = 14725546752. Its totient is φ = 1840693320.

The previous prime is 6442426651. The next prime is 6442426681. The reversal of 6442426662 is 2666242446.

It is a super-3 number, since 3×6442426662³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 153391111 = 6442426662 / (6 + 4 + 4 + 2 + 4 + 2 + 6 + 6 + 6 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76695514 + ... + 76695597.

It is an arithmetic number, because the mean of its divisors is an integer number (920346672).

Almost surely, 2^6442426662 is an apocalyptic number.

6442426662 is an abundant number, since it is smaller than the sum of its proper divisors (8283120090).

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

6442426662 is a wasteful number, since it uses less digits than its factorization.

6442426662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153391123.

The product of its digits is 663552, while the sum is 42.

The square root of 6442426662 is about 80264.7286297038. The cubic root of 6442426662 is about 1860.7291493194.

The spelling of 6442426662 in words is "six billion, four hundred forty-two million, four hundred twenty-six thousand, six hundred sixty-two".