2440043142330 has 32 divisors (see below), whose sum is σ = 5859554520384. Its totient is φ = 650294729216.

The previous prime is 2440043142289. The next prime is 2440043142337. The reversal of 2440043142330 is 332413400442.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2440043142337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23913372 + ... + 24015191.

It is an arithmetic number, because the mean of its divisors is an integer number (183111078762).

Almost surely, 2^{2440043142330} is an apocalyptic number.

2440043142330 is an abundant number, since it is smaller than the sum of its proper divisors (3419511378054).

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

2440043142330 is a wasteful number, since it uses less digits than its factorization.

2440043142330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47930270.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 2440043142330 its reverse (332413400442), we get a palindrome (2772456542772).

The spelling of 2440043142330 in words is "two trillion, four hundred forty billion, forty-three million, one hundred forty-two thousand, three hundred thirty".