420012137846 has 16 divisors (see below), whose sum is σ = 732224551680. Its totient is φ = 176954265960.

The previous prime is 420012137821. The next prime is 420012137903. The reversal of 420012137846 is 648731210024.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254243810 + ... + 254245461.

It is an arithmetic number, because the mean of its divisors is an integer number (45764034480).

Almost surely, 2^420012137846 is an apocalyptic number.

420012137846 is a deficient number, since it is larger than the sum of its proper divisors (312212413834).

420012137846 is a wasteful number, since it uses less digits than its factorization.

420012137846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508489339.

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 420012137846 in words is "four hundred twenty billion, twelve million, one hundred thirty-seven thousand, eight hundred forty-six".