2340200478 has 128 divisors (see below), whose sum is σ = 6139183104. Its totient is φ = 576950400.

The previous prime is 2340200477. The next prime is 2340200483. The reversal of 2340200478 is 8740020432.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340200477) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 757525 + ... + 760607.

It is an arithmetic number, because the mean of its divisors is an integer number (47962368).

Almost surely, 2^2340200478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2340200478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3069591552).

2340200478 is an abundant number, since it is smaller than the sum of its proper divisors (3798982626).

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

2340200478 is a wasteful number, since it uses less digits than its factorization.

2340200478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3190.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 2340200478 is about 48375.6186317033. The cubic root of 2340200478 is about 1327.6523073498.

The spelling of 2340200478 in words is "two billion, three hundred forty million, two hundred thousand, four hundred seventy-eight".