442512215244 has 36 divisors (see below), whose sum is σ = 1220260958280. Its totient is φ = 134094610560.

The previous prime is 442512215231. The next prime is 442512215251.

442512215244 is a `hidden beast` number, since 4 + 4 + 2 + 5 + 122 + 1 + 524 + 4 = 666.

442512215244 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 442512215199 and 442512215208.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 558727149 + ... + 558727940.

It is an arithmetic number, because the mean of its divisors is an integer number (33896137730).

Almost surely, 2^442512215244 is an apocalyptic number.

442512215244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

442512215244 is an abundant number, since it is smaller than the sum of its proper divisors (777748743036).

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

442512215244 is a wasteful number, since it uses less digits than its factorization.

442512215244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117455110 (or 1117455105 counting only the distinct ones).

The product of its digits is 102400, while the sum is 36.

It can be divided in two parts, 442512 and 215244, that added together give a palindrome (657756).

The spelling of 442512215244 in words is "four hundred forty-two billion, five hundred twelve million, two hundred fifteen thousand, two hundred forty-four".