428464862628 has 48 divisors (see below), whose sum is σ = 1094519200320. Its totient is φ = 129375769600.

The previous prime is 428464862603. The next prime is 428464862641. The reversal of 428464862628 is 826268464824.

It is a super-2 number, since 2×428464862628² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5738613 + ... + 5812796.

It is an arithmetic number, because the mean of its divisors is an integer number (22802483340).

Almost surely, 2^428464862628 is an apocalyptic number.

It is an amenable number.

428464862628 is an abundant number, since it is smaller than the sum of its proper divisors (666054337692).

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

428464862628 is a wasteful number, since it uses less digits than its factorization.

428464862628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11551708 (or 11551706 counting only the distinct ones).

The product of its digits is 56623104, while the sum is 60.

The spelling of 428464862628 in words is "four hundred twenty-eight billion, four hundred sixty-four million, eight hundred sixty-two thousand, six hundred twenty-eight".