40044753 has 16 divisors (see below), whose sum is σ = 67800960. Its totient is φ = 22882608.

The previous prime is 40044743. The next prime is 40044757. The reversal of 40044753 is 35744004.

It is not a de Polignac number, because 40044753 - 2⁵ = 40044721 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (40044757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105750 + ... + 106127.

It is an arithmetic number, because the mean of its divisors is an integer number (4237560).

Almost surely, 2^40044753 is an apocalyptic number.

It is an amenable number.

40044753 is a deficient number, since it is larger than the sum of its proper divisors (27756207).

40044753 is a wasteful number, since it uses less digits than its factorization.

40044753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211893 (or 211887 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 40044753 is about 6328.0923665825. The cubic root of 40044753 is about 342.1226860542.

Adding to 40044753 its reverse (35744004), we get a palindrome (75788757).

The spelling of 40044753 in words is "forty million, forty-four thousand, seven hundred fifty-three".