40024205 has 32 divisors (see below), whose sum is σ = 56700000. Its totient is φ = 26836992.

The previous prime is 40024183. The next prime is 40024247. The reversal of 40024205 is 50242004.

It can be written as a sum of positive squares in 16 ways, for example, as 10745284 + 29278921 = 3278^2 + 5411^2 .

It is not a de Polignac number, because 40024205 - 2¹⁶ = 39958669 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31421 + ... + 32669.

It is an arithmetic number, because the mean of its divisors is an integer number (1771875).

Almost surely, 2^40024205 is an apocalyptic number.

It is an amenable number.

40024205 is a deficient number, since it is larger than the sum of its proper divisors (16675795).

40024205 is a wasteful number, since it uses less digits than its factorization.

40024205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 40024205 is about 6326.4686042057. The cubic root of 40024205 is about 342.0641587052.

Adding to 40024205 its reverse (50242004), we get a palindrome (90266209).

The spelling of 40024205 in words is "forty million, twenty-four thousand, two hundred five".