420401323143044 has 12 divisors (see below), whose sum is σ = 735704391605568. Its totient is φ = 210200068398600.

The previous prime is 420401323143019. The next prime is 420401323143089. The reversal of 420401323143044 is 440341323104024.

It is a junction number, because it is equal to n+sod(n) for n = 420401323142995 and 420401323143013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146696672 + ... + 149534999.

It is an arithmetic number, because the mean of its divisors is an integer number (61308699300464).

Almost surely, 2^{420401323143044} is an apocalyptic number.

It is an amenable number.

420401323143044 is a deficient number, since it is larger than the sum of its proper divisors (315303068462524).

420401323143044 is a wasteful number, since it uses less digits than its factorization.

420401323143044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296586466 (or 296586464 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 420401323143044 its reverse (440341323104024), we get a palindrome (860742646247068).

The spelling of 420401323143044 in words is "four hundred twenty trillion, four hundred one billion, three hundred twenty-three million, one hundred forty-three thousand, forty-four".