283148960640 has 1024 divisors, whose sum is σ = 1166805319680. Its totient is φ = 56800051200.

The previous prime is 283148960561. The next prime is 283148960687. The reversal of 283148960640 is 46069841382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 330395092 + ... + 330395948.

It is an arithmetic number, because the mean of its divisors is an integer number (1139458320).

Almost surely, 2^283148960640 is an apocalyptic number.

283148960640 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 283148960640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (583402659840).

283148960640 is an abundant number, since it is smaller than the sum of its proper divisors (883656359040).

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

283148960640 is a wasteful number, since it uses less digits than its factorization.

283148960640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991 (or 979 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 51.

The spelling of 283148960640 in words is "two hundred eighty-three billion, one hundred forty-eight million, nine hundred sixty thousand, six hundred forty".