1000000420442 has 16 divisors (see below), whose sum is σ = 1500955251264. Its totient is φ = 499682088000.

The previous prime is 1000000420429. The next prime is 1000000420453. The reversal of 1000000420442 is 2440240000001.

It is a self number, because there is not a number n which added to its sum of digits gives 1000000420442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30112067 + ... + 30145257.

It is an arithmetic number, because the mean of its divisors is an integer number (93809703204).

Almost surely, 2^{1000000420442} is an apocalyptic number.

1000000420442 is a deficient number, since it is larger than the sum of its proper divisors (500954830822).

1000000420442 is a wasteful number, since it uses less digits than its factorization.

1000000420442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42325.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 1000000420442 its reverse (2440240000001), we get a palindrome (3440240420443).

The spelling of 1000000420442 in words is "one trillion, four hundred twenty thousand, four hundred forty-two".