442420352645762 has 32 divisors (see below), whose sum is σ = 698739715941120. Its totient is φ = 209513162580480.

The previous prime is 442420352645749. The next prime is 442420352645767. The reversal of 442420352645762 is 267546253024244.

It is a super-2 number, since 2×442420352645762² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442420352645698 and 442420352645707.

It is not an unprimeable number, because it can be changed into a prime (442420352645767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2758615808 + ... + 2758776180.

It is an arithmetic number, because the mean of its divisors is an integer number (21835616123160).

Almost surely, 2^{442420352645762} is an apocalyptic number.

442420352645762 is a deficient number, since it is larger than the sum of its proper divisors (256319363295358).

442420352645762 is a wasteful number, since it uses less digits than its factorization.

442420352645762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178778.

The product of its (nonzero) digits is 77414400, while the sum is 56.

The spelling of 442420352645762 in words is "four hundred forty-two trillion, four hundred twenty billion, three hundred fifty-two million, six hundred forty-five thousand, seven hundred sixty-two".