283218337544464 has 45 divisors (see below), whose sum is σ = 638326065151287. Its totient is φ = 121379085569952.

The previous prime is 283218337544437. The next prime is 283218337544489. The reversal of 283218337544464 is 464445733812382.

It is a happy number.

The square root of 283218337544464 is 16829092.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 283218337544396 and 283218337544405.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 470914057 + ... + 471515095.

Almost surely, 2^{283218337544464} is an apocalyptic number.

283218337544464 is the 16829092-nd square number.

It is an amenable number.

283218337544464 is an abundant number, since it is smaller than the sum of its proper divisors (355107727606823).

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

283218337544464 is an frugal number, since it uses more digits than its factorization.

283218337544464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202100 (or 601048 counting only the distinct ones).

The product of its digits is 371589120, while the sum is 64.

The spelling of 283218337544464 in words is "two hundred eighty-three trillion, two hundred eighteen billion, three hundred thirty-seven million, five hundred forty-four thousand, four hundred sixty-four".