2340621440 has 64 divisors (see below), whose sum is σ = 5650032960. Its totient is φ = 927132672.

The previous prime is 2340621431. The next prime is 2340621461. The reversal of 2340621440 is 441260432.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48167 + ... + 83673.

It is an arithmetic number, because the mean of its divisors is an integer number (88281765).

Almost surely, 2^2340621440 is an apocalyptic number.

2340621440 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 2340621440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2825016480).

2340621440 is an abundant number, since it is smaller than the sum of its proper divisors (3309411520).

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

2340621440 is a wasteful number, since it uses less digits than its factorization.

2340621440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35629 (or 35617 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 2340621440 is about 48379.9694088370. The cubic root of 2340621440 is about 1327.7319098835.

Adding to 2340621440 its reverse (441260432), we get a palindrome (2781881872).

The spelling of 2340621440 in words is "two billion, three hundred forty million, six hundred twenty-one thousand, four hundred forty".