428551626155824 has 20 divisors (see below), whose sum is σ = 833152628162736. Its totient is φ = 213544496307392.

The previous prime is 428551626155801. The next prime is 428551626155839.

428551626155824 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×428551626155824² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45707293324 + ... + 45707302699.

Almost surely, 2^{428551626155824} is an apocalyptic number.

It is an amenable number.

428551626155824 is a deficient number, since it is larger than the sum of its proper divisors (404601002006912).

428551626155824 is a wasteful number, since it uses less digits than its factorization.

428551626155824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91414596324 (or 91414596318 counting only the distinct ones).

The product of its digits is 184320000, while the sum is 64.

The spelling of 428551626155824 in words is "four hundred twenty-eight trillion, five hundred fifty-one billion, six hundred twenty-six million, one hundred fifty-five thousand, eight hundred twenty-four".