404240132441 has 4 divisors (see below), whose sum is σ = 408018077712. Its totient is φ = 400462187172.

The previous prime is 404240132431. The next prime is 404240132473. The reversal of 404240132441 is 144231042404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404240132441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404240132431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1888972475 + ... + 1888972688.

It is an arithmetic number, because the mean of its divisors is an integer number (102004519428).

Almost surely, 2^404240132441 is an apocalyptic number.

It is an amenable number.

404240132441 is a deficient number, since it is larger than the sum of its proper divisors (3777945271).

404240132441 is a wasteful number, since it uses less digits than its factorization.

404240132441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3777945270.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 404240132441 its reverse (144231042404), we get a palindrome (548471174845).

The spelling of 404240132441 in words is "four hundred four billion, two hundred forty million, one hundred thirty-two thousand, four hundred forty-one".