428205040896 has 36 divisors (see below), whose sum is σ = 1139649876512. Its totient is φ = 142735013376.

The previous prime is 428205040891. The next prime is 428205040903. The reversal of 428205040896 is 698040502824.

It is a happy number.

It is a super-4 number, since 4×428205040896⁴ (a number of 48 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428205040891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278778556 + ... + 278780091.

Almost surely, 2^428205040896 is an apocalyptic number.

It is an amenable number.

428205040896 is an abundant number, since it is smaller than the sum of its proper divisors (711444835616).

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

428205040896 is an equidigital number, since it uses as much as digits as its factorization.

428205040896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557558666 (or 557558652 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 48.

The spelling of 428205040896 in words is "four hundred twenty-eight billion, two hundred five million, forty thousand, eight hundred ninety-six".