420433444442 has 32 divisors (see below), whose sum is σ = 708171695424. Its totient is φ = 185521190400.

The previous prime is 420433444427. The next prime is 420433444477. The reversal of 420433444442 is 244444334024.

It is a super-4 number, since 4×420433444442⁴ (a number of 48 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 420433444396 and 420433444405.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222359 + ... + 943562.

It is an arithmetic number, because the mean of its divisors is an integer number (22130365482).

Almost surely, 2^420433444442 is an apocalyptic number.

420433444442 is a deficient number, since it is larger than the sum of its proper divisors (287738250982).

420433444442 is a wasteful number, since it uses less digits than its factorization.

420433444442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166414.

The product of its (nonzero) digits is 589824, while the sum is 38.

Adding to 420433444442 its reverse (244444334024), we get a palindrome (664877778466).

The spelling of 420433444442 in words is "four hundred twenty billion, four hundred thirty-three million, four hundred forty-four thousand, four hundred forty-two".