7144444405 has 8 divisors (see below), whose sum is σ = 9798095232. Its totient is φ = 4899047568.

The previous prime is 7144444399. The next prime is 7144444421. The reversal of 7144444405 is 5044444417.

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 7144444405 - 2³ = 7144444397 is a prime.

It is a super-2 number, since 2×7144444405² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102063457 + ... + 102063526.

It is an arithmetic number, because the mean of its divisors is an integer number (1224761904).

Almost surely, 2^7144444405 is an apocalyptic number.

It is an amenable number.

7144444405 is a deficient number, since it is larger than the sum of its proper divisors (2653650827).

7144444405 is a wasteful number, since it uses less digits than its factorization.

7144444405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204126995.

The product of its (nonzero) digits is 143360, while the sum is 37.

The square root of 7144444405 is about 84524.8153207092. The cubic root of 7144444405 is about 1925.9994275021. Note that the first 3 decimals are identical.

The spelling of 7144444405 in words is "seven billion, one hundred forty-four million, four hundred forty-four thousand, four hundred five".