40041744 has 40 divisors (see below), whose sum is σ = 105648000. Its totient is φ = 13062528.

The previous prime is 40041737. The next prime is 40041761. The reversal of 40041744 is 44714004.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6619 + ... + 11130.

It is an arithmetic number, because the mean of its divisors is an integer number (2641200).

Almost surely, 2^40041744 is an apocalyptic number.

It is an amenable number.

40041744 is an abundant number, since it is smaller than the sum of its proper divisors (65606256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40041744 is a wasteful number, since it uses less digits than its factorization.

40041744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17807 (or 17801 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 40041744 is about 6327.8546127420. The cubic root of 40041744 is about 342.1141167006.

Adding to 40041744 its reverse (44714004), we get a palindrome (84755748).

The spelling of 40041744 in words is "forty million, forty-one thousand, seven hundred forty-four".