1442880771 has 8 divisors (see below), whose sum is σ = 1985900544. Its totient is φ = 930890760.

The previous prime is 1442880757. The next prime is 1442880773. The reversal of 1442880771 is 1770882441.

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

It is not a de Polignac number, because 1442880771 - 2⁵ = 1442880739 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1442880773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7757331 + ... + 7757516.

It is an arithmetic number, because the mean of its divisors is an integer number (248237568).

Almost surely, 2^1442880771 is an apocalyptic number.

1442880771 is a deficient number, since it is larger than the sum of its proper divisors (543019773).

1442880771 is a wasteful number, since it uses less digits than its factorization.

1442880771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15514881.

The product of its (nonzero) digits is 100352, while the sum is 42.

The square root of 1442880771 is about 37985.2704478986. The cubic root of 1442880771 is about 1129.9957634216.

The spelling of 1442880771 in words is "one billion, four hundred forty-two million, eight hundred eighty thousand, seven hundred seventy-one".