2340736440 has 128 divisors (see below), whose sum is σ = 8038517760. Its totient is φ = 534150144.

The previous prime is 2340736429. The next prime is 2340736451. The reversal of 2340736440 is 446370432.

It is an interprime number because it is at equal distance from previous prime (2340736429) and next prime (2340736451).

It is a congruent number.

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, 608764 + ... + 612596.

It is an arithmetic number, because the mean of its divisors is an integer number (62800920).

Almost surely, 2^2340736440 is an apocalyptic number.

2340736440 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 2340736440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4019258880).

2340736440 is an abundant number, since it is smaller than the sum of its proper divisors (5697781320).

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

2340736440 is a wasteful number, since it uses less digits than its factorization.

2340736440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4581 (or 4577 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 33.

The square root of 2340736440 is about 48381.1579026381. The cubic root of 2340736440 is about 1327.7536543465.

The spelling of 2340736440 in words is "two billion, three hundred forty million, seven hundred thirty-six thousand, four hundred forty".