1319444382 has 16 divisors (see below), whose sum is σ = 2724014592. Its totient is φ = 425627160.

The previous prime is 1319444377. The next prime is 1319444419. The reversal of 1319444382 is 2834449131.

It is a self number, because there is not a number n which added to its sum of digits gives 1319444382.

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, 3546708 + ... + 3547079.

It is an arithmetic number, because the mean of its divisors is an integer number (170250912).

Almost surely, 2^1319444382 is an apocalyptic number.

1319444382 is an abundant number, since it is smaller than the sum of its proper divisors (1404570210).

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

1319444382 is a wasteful number, since it uses less digits than its factorization.

1319444382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7093823.

The product of its digits is 82944, while the sum is 39.

The square root of 1319444382 is about 36324.1570032947. The cubic root of 1319444382 is about 1096.8073769043.

The spelling of 1319444382 in words is "one billion, three hundred nineteen million, four hundred forty-four thousand, three hundred eighty-two".