2043440115254 has 4 divisors (see below), whose sum is σ = 3065160172884. Its totient is φ = 1021720057626.

The previous prime is 2043440115239. The next prime is 2043440115271. The reversal of 2043440115254 is 4525110443402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 510860028812 + ... + 510860028815.

It is an arithmetic number, because the mean of its divisors is an integer number (766290043221).

Almost surely, 2^{2043440115254} is an apocalyptic number.

2043440115254 is a deficient number, since it is larger than the sum of its proper divisors (1021720057630).

2043440115254 is a wasteful number, since it uses less digits than its factorization.

2043440115254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021720057629.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 2043440115254 its reverse (4525110443402), we get a palindrome (6568550558656).

The spelling of 2043440115254 in words is "two trillion, forty-three billion, four hundred forty million, one hundred fifteen thousand, two hundred fifty-four".