420862288208 has 10 divisors (see below), whose sum is σ = 815420683434. Its totient is φ = 210431144096.

The previous prime is 420862288201. The next prime is 420862288241. The reversal of 420862288208 is 802882268024.

It can be written as a sum of positive squares in only one way, i.e., 272304461584 + 148557826624 = 521828^2 + 385432^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420862288201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13151946491 + ... + 13151946522.

Almost surely, 2^420862288208 is an apocalyptic number.

It is an amenable number.

420862288208 is a deficient number, since it is larger than the sum of its proper divisors (394558395226).

420862288208 is a wasteful number, since it uses less digits than its factorization.

420862288208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26303893021 (or 26303893015 counting only the distinct ones).

The product of its (nonzero) digits is 1572864, while the sum is 50.

The spelling of 420862288208 in words is "four hundred twenty billion, eight hundred sixty-two million, two hundred eighty-eight thousand, two hundred eight".