1442642939402 has 32 divisors (see below), whose sum is σ = 2603383113600. Its totient is φ = 585708254208.

The previous prime is 1442642939389. The next prime is 1442642939407. The reversal of 1442642939402 is 2049392462441.

It is not an unprimeable number, because it can be changed into a prime (1442642939407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6431474 + ... + 6652002.

It is an arithmetic number, because the mean of its divisors is an integer number (81355722300).

Almost surely, 2^{1442642939402} is an apocalyptic number.

1442642939402 is a deficient number, since it is larger than the sum of its proper divisors (1160740174198).

1442642939402 is a wasteful number, since it uses less digits than its factorization.

1442642939402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245150.

The product of its (nonzero) digits is 2985984, while the sum is 50.

The spelling of 1442642939402 in words is "one trillion, four hundred forty-two billion, six hundred forty-two million, nine hundred thirty-nine thousand, four hundred two".