285937493472 has 288 divisors, whose sum is σ = 900490106880. Its totient is φ = 89055106560.

The previous prime is 285937493423. The next prime is 285937493477. The reversal of 285937493472 is 274394739582.

285937493472 is a `hidden beast` number, since 2 + 8 + 5 + 9 + 3 + 74 + 93 + 472 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×285937493472² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285937493477) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6970173 + ... + 7011075.

It is an arithmetic number, because the mean of its divisors is an integer number (3126701760).

Almost surely, 2^285937493472 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 285937493472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (450245053440).

285937493472 is an abundant number, since it is smaller than the sum of its proper divisors (614552613408).

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

285937493472 is a wasteful number, since it uses less digits than its factorization.

285937493472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40988 (or 40968 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 63.

The spelling of 285937493472 in words is "two hundred eighty-five billion, nine hundred thirty-seven million, four hundred ninety-three thousand, four hundred seventy-two".