4140023444 has 12 divisors (see below), whose sum is σ = 7245751968. Its totient is φ = 2069808600.

The previous prime is 4140023423. The next prime is 4140023473. The reversal of 4140023444 is 4443200414.

It is a happy number.

It is a super-2 number, since 2×4140023444² = 34279588233739242272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 929 + ... + 90999.

It is an arithmetic number, because the mean of its divisors is an integer number (603812664).

Almost surely, 2^4140023444 is an apocalyptic number.

It is an amenable number.

4140023444 is a deficient number, since it is larger than the sum of its proper divisors (3105728524).

4140023444 is a wasteful number, since it uses less digits than its factorization.

4140023444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101566 (or 101564 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 4140023444 is about 64343.0139486798. The cubic root of 4140023444 is about 1605.7118045624.

Adding to 4140023444 its reverse (4443200414), we get a palindrome (8583223858).

The spelling of 4140023444 in words is "four billion, one hundred forty million, twenty-three thousand, four hundred forty-four".