442002040412 has 6 divisors (see below), whose sum is σ = 773503570728. Its totient is φ = 221001020204.

The previous prime is 442002040373. The next prime is 442002040427. The reversal of 442002040412 is 214040200244.

It is a super-2 number, since 2×442002040412² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55250255048 + ... + 55250255055.

It is an arithmetic number, because the mean of its divisors is an integer number (128917261788).

Almost surely, 2^442002040412 is an apocalyptic number.

It is an amenable number.

442002040412 is a deficient number, since it is larger than the sum of its proper divisors (331501530316).

442002040412 is a wasteful number, since it uses less digits than its factorization.

442002040412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110500510107 (or 110500510105 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 442002040412 its reverse (214040200244), we get a palindrome (656042240656).

The spelling of 442002040412 in words is "four hundred forty-two billion, two million, forty thousand, four hundred twelve".