283279818140 has 96 divisors (see below), whose sum is σ = 652773800448. Its totient is φ = 102407648000.

The previous prime is 283279818097. The next prime is 283279818167. The reversal of 283279818140 is 41818972382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104491385 + ... + 104494095.

It is an arithmetic number, because the mean of its divisors is an integer number (6799727088).

Almost surely, 2^283279818140 is an apocalyptic number.

283279818140 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 283279818140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326386900224).

283279818140 is an abundant number, since it is smaller than the sum of its proper divisors (369493982308).

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

283279818140 is a wasteful number, since it uses less digits than its factorization.

283279818140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5339 (or 5337 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 53.

The spelling of 283279818140 in words is "two hundred eighty-three billion, two hundred seventy-nine million, eight hundred eighteen thousand, one hundred forty".