1442376719 has 8 divisors (see below), whose sum is σ = 1661411328. Its totient is φ = 1226587320.

The previous prime is 1442376701. The next prime is 1442376721. The reversal of 1442376719 is 9176732441.

It is a happy number.

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

It is not a de Polignac number, because 1442376719 - 2¹⁶ = 1442311183 is a prime.

It is a super-2 number, since 2×1442376719² = 4160901199026409922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1442376719.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442376319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 810347 + ... + 812124.

It is an arithmetic number, because the mean of its divisors is an integer number (207676416).

Almost surely, 2^1442376719 is an apocalyptic number.

1442376719 is a deficient number, since it is larger than the sum of its proper divisors (219034609).

1442376719 is a wasteful number, since it uses less digits than its factorization.

1442376719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622605.

The product of its digits is 254016, while the sum is 44.

The square root of 1442376719 is about 37978.6350333974. The cubic root of 1442376719 is about 1129.8641648923.

The spelling of 1442376719 in words is "one billion, four hundred forty-two million, three hundred seventy-six thousand, seven hundred nineteen".