442024020402 has 32 divisors (see below), whose sum is σ = 908015380800. Its totient is φ = 143347434048.

The previous prime is 442024020281. The next prime is 442024020407. The reversal of 442024020402 is 204020420244.

It is a super-2 number, since 2×442024020402² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (442024020407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2886624 + ... + 3035892.

It is an arithmetic number, because the mean of its divisors is an integer number (28375480650).

Almost surely, 2^442024020402 is an apocalyptic number.

442024020402 is an abundant number, since it is smaller than the sum of its proper divisors (465991360398).

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

442024020402 is a wasteful number, since it uses less digits than its factorization.

442024020402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162650.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 442024020402 its reverse (204020420244), we get a palindrome (646044440646).

It can be divided in two parts, 44202 and 4020402, that added together give a palindrome (4064604).

The spelling of 442024020402 in words is "four hundred forty-two billion, twenty-four million, twenty thousand, four hundred two".