420433135642146 has 64 divisors (see below), whose sum is σ = 944800216617600. Its totient is φ = 123605441372160.

The previous prime is 420433135642099. The next prime is 420433135642151. The reversal of 420433135642146 is 641246531334024.

It is a junction number, because it is equal to n+sod(n) for n = 420433135642095 and 420433135642104.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 245806111 + ... + 247510626.

It is an arithmetic number, because the mean of its divisors is an integer number (14762503384650).

Almost surely, 2^{420433135642146} is an apocalyptic number.

420433135642146 is an abundant number, since it is smaller than the sum of its proper divisors (524367080975454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420433135642146 is a wasteful number, since it uses less digits than its factorization.

420433135642146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493317139.

The product of its (nonzero) digits is 4976640, while the sum is 48.

The spelling of 420433135642146 in words is "four hundred twenty trillion, four hundred thirty-three billion, one hundred thirty-five million, six hundred forty-two thousand, one hundred forty-six".