285674223744 has 384 divisors, whose sum is σ = 1019199242880. Its totient is φ = 74788945920.

The previous prime is 285674223739. The next prime is 285674223773. The reversal of 285674223744 is 447322476582.

285674223744 is a `hidden beast` number, since 2 + 8 + 567 + 4 + 2 + 2 + 3 + 74 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×285674223744² (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 47 ways as a sum of consecutive naturals, for example, 14352039 + ... + 14371929.

It is an arithmetic number, because the mean of its divisors is an integer number (2654164695).

Almost surely, 2^285674223744 is an apocalyptic number.

285674223744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 285674223744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (509599621440).

285674223744 is an abundant number, since it is smaller than the sum of its proper divisors (733525019136).

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

285674223744 is a wasteful number, since it uses less digits than its factorization.

285674223744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20068 (or 20053 counting only the distinct ones).

The product of its digits is 18063360, while the sum is 54.

The spelling of 285674223744 in words is "two hundred eighty-five billion, six hundred seventy-four million, two hundred twenty-three thousand, seven hundred forty-four".