404201540043 has 32 divisors (see below), whose sum is σ = 724619013120. Its totient is φ = 217385700480.

The previous prime is 404201540033. The next prime is 404201540053. The reversal of 404201540043 is 340045102404.

It is a happy number.

404201540043 is a `hidden beast` number, since 40 + 42 + 0 + 1 + 540 + 0 + 43 = 666.

It is an interprime number because it is at equal distance from previous prime (404201540033) and next prime (404201540053).

It is not a de Polignac number, because 404201540043 - 2⁹ = 404201539531 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 404201539989 and 404201540016.

It is not an unprimeable number, because it can be changed into a prime (404201540033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62897743 + ... + 62904168.

It is an arithmetic number, because the mean of its divisors is an integer number (22644344160).

Almost surely, 2^404201540043 is an apocalyptic number.

404201540043 is a deficient number, since it is larger than the sum of its proper divisors (320417473077).

404201540043 is a wasteful number, since it uses less digits than its factorization.

404201540043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125801944 (or 125801938 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 404201540043 its reverse (340045102404), we get a palindrome (744246642447).

The spelling of 404201540043 in words is "four hundred four billion, two hundred one million, five hundred forty thousand, forty-three".