2684284740 has 72 divisors (see below), whose sum is σ = 8240476608. Its totient is φ = 707181120.

The previous prime is 2684284721. The next prime is 2684284741. The reversal of 2684284740 is 474824862.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2684284741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74896 + ... + 104775.

It is an arithmetic number, because the mean of its divisors is an integer number (114451064).

Almost surely, 2^2684284740 is an apocalyptic number.

2684284740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2684284740 is an abundant number, since it is smaller than the sum of its proper divisors (5556191868).

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

2684284740 is a wasteful number, since it uses less digits than its factorization.

2684284740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179769 (or 179764 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 45.

The square root of 2684284740 is about 51810.0833815195. The cubic root of 2684284740 is about 1389.7697701945.

The spelling of 2684284740 in words is "two billion, six hundred eighty-four million, two hundred eighty-four thousand, seven hundred forty".