2321742540 has 96 divisors (see below), whose sum is σ = 7010954496. Its totient is φ = 570689280.

The previous prime is 2321742503. The next prime is 2321742583. The reversal of 2321742540 is 452471232.

2321742540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2321742498 and 2321742507.

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, 687055 + ... + 690425.

It is an arithmetic number, because the mean of its divisors is an integer number (73030776).

Almost surely, 2^2321742540 is an apocalyptic number.

2321742540 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 2321742540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3505477248).

2321742540 is an abundant number, since it is smaller than the sum of its proper divisors (4689211956).

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

2321742540 is a wasteful number, since it uses less digits than its factorization.

2321742540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4279 (or 4277 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 2321742540 is about 48184.4636786589. The cubic root of 2321742540 is about 1324.1525450753.

The spelling of 2321742540 in words is "two billion, three hundred twenty-one million, seven hundred forty-two thousand, five hundred forty".