40469744 has 20 divisors (see below), whose sum is σ = 89611824. Its totient is φ = 17344128.

The previous prime is 40469743. The next prime is 40469771. The reversal of 40469744 is 44796404.

It is a happy number.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 40469698 and 40469707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40469743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180557 + ... + 180780.

Almost surely, 2^40469744 is an apocalyptic number.

It is an amenable number.

40469744 is an abundant number, since it is smaller than the sum of its proper divisors (49142080).

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

40469744 is a wasteful number, since it uses less digits than its factorization.

40469744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361352 (or 361346 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 40469744 is about 6361.5834506827. The cubic root of 40469744 is about 343.3287342416.

The spelling of 40469744 in words is "forty million, four hundred sixty-nine thousand, seven hundred forty-four".