442887788244 has 24 divisors (see below), whose sum is σ = 1127350734048. Its totient is φ = 134208420640.

The previous prime is 442887788243. The next prime is 442887788269.

442887788244 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×442887788244² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442887788243) 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, 1677605127 + ... + 1677605390.

It is an arithmetic number, because the mean of its divisors is an integer number (46972947252).

Almost surely, 2^442887788244 is an apocalyptic number.

442887788244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

442887788244 is an abundant number, since it is smaller than the sum of its proper divisors (684462945804).

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

442887788244 is a wasteful number, since it uses less digits than its factorization.

442887788244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3355210535 (or 3355210533 counting only the distinct ones).

The product of its digits is 205520896, while the sum is 66.

The spelling of 442887788244 in words is "four hundred forty-two billion, eight hundred eighty-seven million, seven hundred eighty-eight thousand, two hundred forty-four".