240401204043 has 64 divisors (see below), whose sum is σ = 442000376832. Its totient is φ = 112161646080.

The previous prime is 240401204033. The next prime is 240401204051. The reversal of 240401204043 is 340402104042.

It is a happy number.

It is not a de Polignac number, because 240401204043 - 2¹² = 240401199947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (240401204033) 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, 970696 + ... + 1192917.

It is an arithmetic number, because the mean of its divisors is an integer number (6906255888).

Almost surely, 2^240401204043 is an apocalyptic number.

240401204043 is a deficient number, since it is larger than the sum of its proper divisors (201599172789).

240401204043 is a wasteful number, since it uses less digits than its factorization.

240401204043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163684.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 240401204043 its reverse (340402104042), we get a palindrome (580803308085).

It can be divided in two parts, 240401 and 204043, that added together give a palindrome (444444).

The spelling of 240401204043 in words is "two hundred forty billion, four hundred one million, two hundred four thousand, forty-three".