283994726400 has 2688 divisors, whose sum is σ = 1404167270400. Its totient is φ = 54499737600.

The previous prime is 283994726399. The next prime is 283994726447. The reversal of 283994726400 is 4627499382.

283994726400 is a `hidden beast` number, since 2 + 83 + 9 + 94 + 72 + 6 + 400 = 666.

It is a tau number, because it is divible by the number of its divisors (2688).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 9792921586 + ... + 9792921614.

Almost surely, 2^283994726400 is an apocalyptic number.

283994726400 is a gapful number since it is divisible by the number (20) 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 283994726400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (702083635200).

283994726400 is an abundant number, since it is smaller than the sum of its proper divisors (1120172544000).

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

283994726400 is a wasteful number, since it uses less digits than its factorization.

283994726400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 283994726400 in words is "two hundred eighty-three billion, nine hundred ninety-four million, seven hundred twenty-six thousand, four hundred".