40040200252 has 12 divisors (see below), whose sum is σ = 75460377496. Its totient is φ = 18480092400.

The previous prime is 40040200247. The next prime is 40040200261. The reversal of 40040200252 is 25200204004.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 385001874 + ... + 385001977.

Almost surely, 2^40040200252 is an apocalyptic number.

It is an amenable number.

40040200252 is a deficient number, since it is larger than the sum of its proper divisors (35420177244).

40040200252 is a wasteful number, since it uses less digits than its factorization.

40040200252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770003868 (or 770003866 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

Adding to 40040200252 its reverse (25200204004), we get a palindrome (65240404256).

The spelling of 40040200252 in words is "forty billion, forty million, two hundred thousand, two hundred fifty-two".