2400520343 has 8 divisors (see below), whose sum is σ = 2737245168. Its totient is φ = 2085519744.

The previous prime is 2400520321. The next prime is 2400520351. The reversal of 2400520343 is 3430250042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2400520343 - 2¹² = 2400516247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400520303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5430821 + ... + 5431262.

It is an arithmetic number, because the mean of its divisors is an integer number (342155646).

Almost surely, 2^2400520343 is an apocalyptic number.

2400520343 is a deficient number, since it is larger than the sum of its proper divisors (336724825).

2400520343 is a wasteful number, since it uses less digits than its factorization.

2400520343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10862113.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 2400520343 is about 48995.1052963457. The cubic root of 2400520343 is about 1338.9626528250.

Adding to 2400520343 its reverse (3430250042), we get a palindrome (5830770385).

The spelling of 2400520343 in words is "two billion, four hundred million, five hundred twenty thousand, three hundred forty-three".