283910345940 has 192 divisors, whose sum is σ = 873052992000. Its totient is φ = 68504057856.

The previous prime is 283910345923. The next prime is 283910345959. The reversal of 283910345940 is 49543019382.

It is a self number, because there is not a number n which added to its sum of digits gives 283910345940.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 57832206 + ... + 57837114.

It is an arithmetic number, because the mean of its divisors is an integer number (4547151000).

Almost surely, 2^283910345940 is an apocalyptic number.

283910345940 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 283910345940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (436526496000).

283910345940 is an abundant number, since it is smaller than the sum of its proper divisors (589142646060).

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

283910345940 is a wasteful number, since it uses less digits than its factorization.

283910345940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6386 (or 6384 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 283910345940 in words is "two hundred eighty-three billion, nine hundred ten million, three hundred forty-five thousand, nine hundred forty".