420401401042 has 32 divisors (see below), whose sum is σ = 723833510400. Its totient is φ = 179385954048.

The previous prime is 420401401019. The next prime is 420401401061. The reversal of 420401401042 is 240104104024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33483838 + ... + 33496390.

It is an arithmetic number, because the mean of its divisors is an integer number (22619797200).

Almost surely, 2^420401401042 is an apocalyptic number.

420401401042 is a deficient number, since it is larger than the sum of its proper divisors (303432109358).

420401401042 is a wasteful number, since it uses less digits than its factorization.

420401401042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22810.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 420401401042 its reverse (240104104024), we get a palindrome (660505505066).

The spelling of 420401401042 in words is "four hundred twenty billion, four hundred one million, four hundred one thousand, forty-two".