3440021145 has 64 divisors (see below), whose sum is σ = 6414453504. Its totient is φ = 1555742720.

The previous prime is 3440021141. The next prime is 3440021153. The reversal of 3440021145 is 5411200443.

It is not a de Polignac number, because 3440021145 - 2² = 3440021141 is a prime.

It is a super-2 number, since 2×3440021145² = 23667490956094222050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3440021141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 311539 + ... + 322391.

It is an arithmetic number, because the mean of its divisors is an integer number (100225836).

Almost surely, 2^3440021145 is an apocalyptic number.

It is an amenable number.

3440021145 is a deficient number, since it is larger than the sum of its proper divisors (2974432359).

3440021145 is a wasteful number, since it uses less digits than its factorization.

3440021145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11002.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 3440021145 is about 58651.6934538126. The cubic root of 3440021145 is about 1509.5715558575.

Adding to 3440021145 its reverse (5411200443), we get a palindrome (8851221588).

The spelling of 3440021145 in words is "three billion, four hundred forty million, twenty-one thousand, one hundred forty-five".