4405240443431 has 8 divisors (see below), whose sum is σ = 4499048352960. Its totient is φ = 4311435841888.

The previous prime is 4405240443403. The next prime is 4405240443463. The reversal of 4405240443431 is 1343440425044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4405240443431 - 2⁶ = 4405240443367 is a prime.

It is a super-2 number, since 2×4405240443431² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4405240443731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1963985 + ... + 3559173.

It is an arithmetic number, because the mean of its divisors is an integer number (562381044120).

Almost surely, 2^{4405240443431} is an apocalyptic number.

4405240443431 is a deficient number, since it is larger than the sum of its proper divisors (93807909529).

4405240443431 is a wasteful number, since it uses less digits than its factorization.

4405240443431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653993.

The product of its (nonzero) digits is 368640, while the sum is 38.

Adding to 4405240443431 its reverse (1343440425044), we get a palindrome (5748680868475).

The spelling of 4405240443431 in words is "four trillion, four hundred five billion, two hundred forty million, four hundred forty-three thousand, four hundred thirty-one".