442254216250139 has 16 divisors (see below), whose sum is σ = 469947350547360. Its totient is φ = 414747620474880.

The previous prime is 442254216250123. The next prime is 442254216250151. The reversal of 442254216250139 is 931052612452244.

It is a cyclic number.

It is not a de Polignac number, because 442254216250139 - 2⁴ = 442254216250123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442254216250169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193473947 + ... + 195746459.

It is an arithmetic number, because the mean of its divisors is an integer number (29371709409210).

Almost surely, 2^{442254216250139} is an apocalyptic number.

442254216250139 is a deficient number, since it is larger than the sum of its proper divisors (27693134297221).

442254216250139 is a wasteful number, since it uses less digits than its factorization.

442254216250139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313550.

The product of its (nonzero) digits is 4147200, while the sum is 50.

The spelling of 442254216250139 in words is "four hundred forty-two trillion, two hundred fifty-four billion, two hundred sixteen million, two hundred fifty thousand, one hundred thirty-nine".