40204253 has 8 divisors (see below), whose sum is σ = 42086976. Its totient is φ = 38332800.

The previous prime is 40204243. The next prime is 40204259. The reversal of 40204253 is 35240204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40204253 - 2⁶ = 40204189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40204259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4973 + ... + 10253.

It is an arithmetic number, because the mean of its divisors is an integer number (5260872).

Almost surely, 2^40204253 is an apocalyptic number.

It is an amenable number.

40204253 is a deficient number, since it is larger than the sum of its proper divisors (1882723).

40204253 is a wasteful number, since it uses less digits than its factorization.

40204253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5635.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 40204253 is about 6340.6823765270. The cubic root of 40204253 is about 342.5763141792.

Adding to 40204253 its reverse (35240204), we get a palindrome (75444457).

The spelling of 40204253 in words is "forty million, two hundred four thousand, two hundred fifty-three".