2345322440 has 32 divisors (see below), whose sum is σ = 5306472000. Its totient is φ = 932885184.

The previous prime is 2345322439. The next prime is 2345322461. The reversal of 2345322440 is 442235432.

It is a happy number.

2345322440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×2345322440⁴ (a number of 39 digits) contains 4444 as substring.

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, 156620 + ... + 170939.

It is an arithmetic number, because the mean of its divisors is an integer number (165827250).

Almost surely, 2^2345322440 is an apocalyptic number.

2345322440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2345322440 is an abundant number, since it is smaller than the sum of its proper divisors (2961149560).

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

2345322440 is a wasteful number, since it uses less digits than its factorization.

2345322440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327749 (or 327745 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 29.

The square root of 2345322440 is about 48428.5291950933. The cubic root of 2345322440 is about 1328.6202058412.

Adding to 2345322440 its reverse (442235432), we get a palindrome (2787557872).

The spelling of 2345322440 in words is "two billion, three hundred forty-five million, three hundred twenty-two thousand, four hundred forty".