1442340407278 has 8 divisors (see below), whose sum is σ = 2164898370960. Its totient is φ = 720707616960.

The previous prime is 1442340407251. The next prime is 1442340407359. The reversal of 1442340407278 is 8727040432441.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231289443 + ... + 231295678.

It is an arithmetic number, because the mean of its divisors is an integer number (270612296370).

Almost surely, 2^{1442340407278} is an apocalyptic number.

1442340407278 is a deficient number, since it is larger than the sum of its proper divisors (722557963682).

1442340407278 is a wasteful number, since it uses less digits than its factorization.

1442340407278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462586682.

The product of its (nonzero) digits is 1204224, while the sum is 46.

The spelling of 1442340407278 in words is "one trillion, four hundred forty-two billion, three hundred forty million, four hundred seven thousand, two hundred seventy-eight".