1442744770 has 8 divisors (see below), whose sum is σ = 2596940604. Its totient is φ = 577097904.

The previous prime is 1442744767. The next prime is 1442744791. The reversal of 1442744770 is 774472441.

It can be written as a sum of positive squares in 2 ways, for example, as 1442708289 + 36481 = 37983^2 + 191^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72137229 + ... + 72137248.

Almost surely, 2^1442744770 is an apocalyptic number.

1442744770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1442744770 is a deficient number, since it is larger than the sum of its proper divisors (1154195834).

1442744770 is a wasteful number, since it uses less digits than its factorization.

1442744770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144274484.

The product of its (nonzero) digits is 175616, while the sum is 40.

The square root of 1442744770 is about 37983.4802249610. The cubic root of 1442744770 is about 1129.9602591292.

The spelling of 1442744770 in words is "one billion, four hundred forty-two million, seven hundred forty-four thousand, seven hundred seventy".