428247641814 has 16 divisors (see below), whose sum is σ = 857037731520. Its totient is φ = 142658805960.

The previous prime is 428247641779. The next prime is 428247641819. The reversal of 428247641814 is 418146742824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428247641819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22591732 + ... + 22610679.

It is an arithmetic number, because the mean of its divisors is an integer number (53564858220).

Almost surely, 2^428247641814 is an apocalyptic number.

428247641814 is an abundant number, since it is smaller than the sum of its proper divisors (428790089706).

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

428247641814 is a wasteful number, since it uses less digits than its factorization.

428247641814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45203995.

The product of its digits is 2752512, while the sum is 51.

The spelling of 428247641814 in words is "four hundred twenty-eight billion, two hundred forty-seven million, six hundred forty-one thousand, eight hundred fourteen".