2823739540 has 24 divisors (see below), whose sum is σ = 5965368192. Its totient is φ = 1122731040.

The previous prime is 2823739531. The next prime is 2823739543. The reversal of 2823739540 is 459373282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2823739543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419376 + ... + 426055.

It is an arithmetic number, because the mean of its divisors is an integer number (248557008).

Almost surely, 2^2823739540 is an apocalyptic number.

2823739540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2823739540 is an abundant number, since it is smaller than the sum of its proper divisors (3141628652).

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

2823739540 is a wasteful number, since it uses less digits than its factorization.

2823739540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845607 (or 845605 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 2823739540 is about 53138.8703304841. The cubic root of 2823739540 is about 1413.4318662516.

The spelling of 2823739540 in words is "two billion, eight hundred twenty-three million, seven hundred thirty-nine thousand, five hundred forty".