40024490 has 32 divisors (see below), whose sum is σ = 79035264. Its totient is φ = 14472640.

The previous prime is 40024489. The next prime is 40024493. The reversal of 40024490 is 9442004.

It is a happy number.

40024490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40024493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20747 + ... + 22593.

It is an arithmetic number, because the mean of its divisors is an integer number (2469852).

Almost surely, 2^40024490 is an apocalyptic number.

40024490 is a deficient number, since it is larger than the sum of its proper divisors (39010774).

40024490 is a wasteful number, since it uses less digits than its factorization.

40024490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 40024490 is about 6326.4911285799. The cubic root of 40024490 is about 342.0649706143.

Adding to 40024490 its reverse (9442004), we get a palindrome (49466494).

The spelling of 40024490 in words is "forty million, twenty-four thousand, four hundred ninety".