42144215414394 has 16 divisors (see below), whose sum is σ = 86344246215360. Its totient is φ = 13705435907040.

The previous prime is 42144215414393. The next prime is 42144215414429. The reversal of 42144215414394 is 49341451244124.

It is a super-2 number, since 2×42144215414394² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42144215414393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85658974174 + ... + 85658974665.

It is an arithmetic number, because the mean of its divisors is an integer number (5396515388460).

Almost surely, 2^{42144215414394} is an apocalyptic number.

42144215414394 is an abundant number, since it is smaller than the sum of its proper divisors (44200030800966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42144215414394 is a wasteful number, since it uses less digits than its factorization.

42144215414394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171317948885.

The product of its digits is 2211840, while the sum is 48.

The spelling of 42144215414394 in words is "forty-two trillion, one hundred forty-four billion, two hundred fifteen million, four hundred fourteen thousand, three hundred ninety-four".