420266648879 has 16 divisors (see below), whose sum is σ = 524771274240. Its totient is φ = 326978964960.

The previous prime is 420266648807. The next prime is 420266648897. The reversal of 420266648879 is 978846662024.

It is a cyclic number.

It is not a de Polignac number, because 420266648879 - 2⁸ = 420266648623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420266648279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4128899 + ... + 4229460.

It is an arithmetic number, because the mean of its divisors is an integer number (32798204640).

Almost surely, 2^420266648879 is an apocalyptic number.

420266648879 is a deficient number, since it is larger than the sum of its proper divisors (104504625361).

420266648879 is a wasteful number, since it uses less digits than its factorization.

420266648879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8359030.

The product of its (nonzero) digits is 55738368, while the sum is 62.

The spelling of 420266648879 in words is "four hundred twenty billion, two hundred sixty-six million, six hundred forty-eight thousand, eight hundred seventy-nine".