420146142404 has 6 divisors (see below), whose sum is σ = 735255749214. Its totient is φ = 210073071200.

The previous prime is 420146142389. The next prime is 420146142443. The reversal of 420146142404 is 404241641024.

It can be written as a sum of positive squares in only one way, i.e., 254661529600 + 165484612804 = 504640^2 + 406798^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52518267797 + ... + 52518267804.

It is an arithmetic number, because the mean of its divisors is an integer number (122542624869).

Almost surely, 2^420146142404 is an apocalyptic number.

It is an amenable number.

420146142404 is a deficient number, since it is larger than the sum of its proper divisors (315109606810).

420146142404 is a wasteful number, since it uses less digits than its factorization.

420146142404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105036535605 (or 105036535603 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 420146142404 its reverse (404241641024), we get a palindrome (824387783428).

The spelling of 420146142404 in words is "four hundred twenty billion, one hundred forty-six million, one hundred forty-two thousand, four hundred four".