1442881258 has 16 divisors (see below), whose sum is σ = 2663781120. Its totient is φ = 570810096.

The previous prime is 1442881249. The next prime is 1442881303. The reversal of 1442881258 is 8521882441.

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, 3963778 + ... + 3964141.

It is an arithmetic number, because the mean of its divisors is an integer number (166486320).

Almost surely, 2^1442881258 is an apocalyptic number.

1442881258 is a deficient number, since it is larger than the sum of its proper divisors (1220899862).

1442881258 is a wasteful number, since it uses less digits than its factorization.

1442881258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7927941.

The product of its digits is 163840, while the sum is 43.

The square root of 1442881258 is about 37985.2768582776. The cubic root of 1442881258 is about 1129.9958905534.

The spelling of 1442881258 in words is "one billion, four hundred forty-two million, eight hundred eighty-one thousand, two hundred fifty-eight".