4064388333442 has 4 divisors (see below), whose sum is σ = 6096582500166. Its totient is φ = 2032194166720.

The previous prime is 4064388333427. The next prime is 4064388333491. The reversal of 4064388333442 is 2443338834604.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2408794016841 + 1655594316601 = 1552029^2 + 1286699^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4064388333442.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1016097083359 + ... + 1016097083362.

Almost surely, 2^{4064388333442} is an apocalyptic number.

4064388333442 is a deficient number, since it is larger than the sum of its proper divisors (2032194166724).

4064388333442 is a wasteful number, since it uses less digits than its factorization.

4064388333442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032194166723.

The product of its (nonzero) digits is 15925248, while the sum is 52.

The spelling of 4064388333442 in words is "four trillion, sixty-four billion, three hundred eighty-eight million, three hundred thirty-three thousand, four hundred forty-two".