2283539440 has 160 divisors (see below), whose sum is σ = 6574329216. Its totient is φ = 718295040.

The previous prime is 2283539411. The next prime is 2283539443. The reversal of 2283539440 is 449353822.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 2283539393 and 2283539402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2283539443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1316814 + ... + 1318546.

Almost surely, 2^2283539440 is an apocalyptic number.

2283539440 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 2283539440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3287164608).

2283539440 is an abundant number, since it is smaller than the sum of its proper divisors (4290789776).

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

2283539440 is a wasteful number, since it uses less digits than its factorization.

2283539440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1947 (or 1941 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 2283539440 is about 47786.3938794297. The cubic root of 2283539440 is about 1316.8495882874.

The spelling of 2283539440 in words is "two billion, two hundred eighty-three million, five hundred thirty-nine thousand, four hundred forty".