442401420234 has 64 divisors (see below), whose sum is σ = 936576748800. Its totient is φ = 139036372992.

The previous prime is 442401420221. The next prime is 442401420311. The reversal of 442401420234 is 432024104244.

It is a super-2 number, since 2×442401420234² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2826912 + ... + 2979300.

It is an arithmetic number, because the mean of its divisors is an integer number (14634011700).

Almost surely, 2^442401420234 is an apocalyptic number.

442401420234 is an abundant number, since it is smaller than the sum of its proper divisors (494175328566).

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

442401420234 is a wasteful number, since it uses less digits than its factorization.

442401420234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152719.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 442401420234 its reverse (432024104244), we get a palindrome (874425524478).

The spelling of 442401420234 in words is "four hundred forty-two billion, four hundred one million, four hundred twenty thousand, two hundred thirty-four".