1442940055 has 8 divisors (see below), whose sum is σ = 1759914144. Its totient is φ = 1135428000.

The previous prime is 1442940017. The next prime is 1442940061. The reversal of 1442940055 is 5500492441.

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

It is not a de Polignac number, because 1442940055 - 2¹⁵ = 1442907287 is a prime.

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 1442940055.

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, 2365171 + ... + 2365780.

It is an arithmetic number, because the mean of its divisors is an integer number (219989268).

Almost surely, 2^1442940055 is an apocalyptic number.

1442940055 is a deficient number, since it is larger than the sum of its proper divisors (316974089).

1442940055 is an equidigital number, since it uses as much as digits as its factorization.

1442940055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4731017.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 1442940055 is about 37986.0507949958. The cubic root of 1442940055 is about 1130.0112393484.

The spelling of 1442940055 in words is "one billion, four hundred forty-two million, nine hundred forty thousand, fifty-five".