2340045450 has 120 divisors (see below), whose sum is σ = 6520213260. Its totient is φ = 622252800.

The previous prime is 2340045443. The next prime is 2340045457. The reversal of 2340045450 is 545400432.

It is an interprime number because it is at equal distance from previous prime (2340045443) and next prime (2340045457).

It can be written as a sum of positive squares in 6 ways, for example, as 96412761 + 2243632689 = 9819^2 + 47367^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2340045457) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2109496 + ... + 2110604.

Almost surely, 2^2340045450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2340045450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3260106630).

2340045450 is an abundant number, since it is smaller than the sum of its proper divisors (4180167810).

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

2340045450 is a wasteful number, since it uses less digits than its factorization.

2340045450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654 (or 1640 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 2340045450 is about 48374.0162690674. The cubic root of 2340045450 is about 1327.6229896583.

Adding to 2340045450 its reverse (545400432), we get a palindrome (2885445882).

The spelling of 2340045450 in words is "two billion, three hundred forty million, forty-five thousand, four hundred fifty".