40711144 has 16 divisors (see below), whose sum is σ = 76583520. Its totient is φ = 20288880.

The previous prime is 40711133. The next prime is 40711147. The reversal of 40711144 is 44111704.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40711147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5694 + ... + 10669.

It is an arithmetic number, because the mean of its divisors is an integer number (4786470).

Almost surely, 2^40711144 is an apocalyptic number.

It is an amenable number.

40711144 is a deficient number, since it is larger than the sum of its proper divisors (35872376).

40711144 is a wasteful number, since it uses less digits than its factorization.

40711144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16680 (or 16676 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 40711144 is about 6380.5285047557. The cubic root of 40711144 is about 344.0100276507.

Adding to 40711144 its reverse (44111704), we get a palindrome (84822848).

The spelling of 40711144 in words is "forty million, seven hundred eleven thousand, one hundred forty-four".