428270797464 has 32 divisors (see below), whose sum is σ = 1071261853440. Its totient is φ = 142678951200.

The previous prime is 428270797459. The next prime is 428270797519. The reversal of 428270797464 is 464797072824.

It is a junction number, because it is equal to n+sod(n) for n = 428270797398 and 428270797407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4828972 + ... + 4916859.

It is an arithmetic number, because the mean of its divisors is an integer number (33476932920).

Almost surely, 2^428270797464 is an apocalyptic number.

It is an amenable number.

428270797464 is an abundant number, since it is smaller than the sum of its proper divisors (642991055976).

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

428270797464 is a wasteful number, since it uses less digits than its factorization.

428270797464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9747671 (or 9747667 counting only the distinct ones).

The product of its (nonzero) digits is 37933056, while the sum is 60.

The spelling of 428270797464 in words is "four hundred twenty-eight billion, two hundred seventy million, seven hundred ninety-seven thousand, four hundred sixty-four".