4040140444 has 12 divisors (see below), whose sum is σ = 7095408768. Its totient is φ = 2012880800.

The previous prime is 4040140381. The next prime is 4040140459. The reversal of 4040140444 is 4440410404.

It is a happy number.

It is a congruent 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, 1796092 + ... + 1798339.

It is an arithmetic number, because the mean of its divisors is an integer number (591284064).

Almost surely, 2^4040140444 is an apocalyptic number.

It is an amenable number.

4040140444 is a deficient number, since it is larger than the sum of its proper divisors (3055268324).

4040140444 is a wasteful number, since it uses less digits than its factorization.

4040140444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3594716 (or 3594714 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 4040140444 is about 63562.0991157466. The cubic root of 4040140444 is about 1592.6933037237.

Adding to 4040140444 its reverse (4440410404), we get a palindrome (8480550848).

The spelling of 4040140444 in words is "four billion, forty million, one hundred forty thousand, four hundred forty-four".