4405240431155 has 4 divisors (see below), whose sum is σ = 5286288517392. Its totient is φ = 3524192344920.

The previous prime is 4405240431149. The next prime is 4405240431187. The reversal of 4405240431155 is 5511340425044.

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

It is not a de Polignac number, because 4405240431155 - 2²² = 4405236236851 is a prime.

It is a super-2 number, since 2×4405240431155² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440524043111 + ... + 440524043120.

It is an arithmetic number, because the mean of its divisors is an integer number (1321572129348).

Almost surely, 2^{4405240431155} is an apocalyptic number.

4405240431155 is a deficient number, since it is larger than the sum of its proper divisors (881048086237).

4405240431155 is an equidigital number, since it uses as much as digits as its factorization.

4405240431155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881048086236.

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 4405240431155 its reverse (5511340425044), we get a palindrome (9916580856199).

The spelling of 4405240431155 in words is "four trillion, four hundred five billion, two hundred forty million, four hundred thirty-one thousand, one hundred fifty-five".