6442335258 has 8 divisors (see below), whose sum is σ = 12884670528. Its totient is φ = 2147445084.

The previous prime is 6442335241. The next prime is 6442335281. The reversal of 6442335258 is 8525332446.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

6442335258 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536861266 + ... + 536861277.

It is an arithmetic number, because the mean of its divisors is an integer number (1610583816).

Almost surely, 2^6442335258 is an apocalyptic number.

6442335258 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6442335258 is a wasteful number, since it uses less digits than its factorization.

6442335258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073722548.

The product of its digits is 691200, while the sum is 42.

The square root of 6442335258 is about 80264.1592368599. The cubic root of 6442335258 is about 1860.7203493801.

It can be divided in two parts, 64423 and 35258, that added together give a triangular number (99681 = T₄₄₆).

The spelling of 6442335258 in words is "six billion, four hundred forty-two million, three hundred thirty-five thousand, two hundred fifty-eight".