283924478464 has 320 divisors, whose sum is σ = 665803100160. Its totient is φ = 119734272000.

The previous prime is 283924478459. The next prime is 283924478473. The reversal of 283924478464 is 464874429382.

It is a super-2 number, since 2×283924478464² (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 31 ways as a sum of consecutive naturals, for example, 442939584 + ... + 442940224.

It is an arithmetic number, because the mean of its divisors is an integer number (2080634688).

Almost surely, 2^283924478464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 283924478464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332901550080).

283924478464 is an abundant number, since it is smaller than the sum of its proper divisors (381878621696).

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

283924478464 is a wasteful number, since it uses less digits than its factorization.

283924478464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803 (or 787 counting only the distinct ones).

The product of its digits is 74317824, while the sum is 61.

The spelling of 283924478464 in words is "two hundred eighty-three billion, nine hundred twenty-four million, four hundred seventy-eight thousand, four hundred sixty-four".