442441421343402 has 16 divisors (see below), whose sum is σ = 952950753662880. Its totient is φ = 136135821951792.

The previous prime is 442441421343401. The next prime is 442441421343463. The reversal of 442441421343402 is 204343124144244.

It is a super-2 number, since 2×442441421343402² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (442441421343401) 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, 2836162957252 + ... + 2836162957407.

It is an arithmetic number, because the mean of its divisors is an integer number (59559422103930).

Almost surely, 2^{442441421343402} is an apocalyptic number.

442441421343402 is an abundant number, since it is smaller than the sum of its proper divisors (510509332319478).

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

442441421343402 is a wasteful number, since it uses less digits than its factorization.

442441421343402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5672325914677.

The product of its (nonzero) digits is 1179648, while the sum is 42.

Adding to 442441421343402 its reverse (204343124144244), we get a palindrome (646784545487646).

The spelling of 442441421343402 in words is "four hundred forty-two trillion, four hundred forty-one billion, four hundred twenty-one million, three hundred forty-three thousand, four hundred two".