283987349340 has 48 divisors (see below), whose sum is σ = 800229347232. Its totient is φ = 75247600896.

The previous prime is 283987349333. The next prime is 283987349341. The reversal of 283987349340 is 43943789382.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283987349341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15064219 + ... + 15083058.

It is an arithmetic number, because the mean of its divisors is an integer number (16671444734).

Almost surely, 2^283987349340 is an apocalyptic number.

283987349340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

283987349340 is an abundant number, since it is smaller than the sum of its proper divisors (516241997892).

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

283987349340 is a wasteful number, since it uses less digits than its factorization.

283987349340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30147446 (or 30147444 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 60.

The spelling of 283987349340 in words is "two hundred eighty-three billion, nine hundred eighty-seven million, three hundred forty-nine thousand, three hundred forty".