40000652 has 12 divisors (see below), whose sum is σ = 70049616. Its totient is φ = 19986480.

The previous prime is 40000651. The next prime is 40000669. The reversal of 40000652 is 25600004.

It is a self number, because there is not a number n which added to its sum of digits gives 40000652.

It is not an unprimeable number, because it can be changed into a prime (40000651) 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, 5777 + ... + 10647.

It is an arithmetic number, because the mean of its divisors is an integer number (5837468).

Almost surely, 2^40000652 is an apocalyptic number.

It is an amenable number.

40000652 is a deficient number, since it is larger than the sum of its proper divisors (30048964).

40000652 is a wasteful number, since it uses less digits than its factorization.

40000652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6928 (or 6926 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 40000652 is about 6324.6068652526. The cubic root of 40000652 is about 341.9970474991.

Adding to 40000652 its reverse (25600004), we get a palindrome (65600656).

The spelling of 40000652 in words is "forty million, six hundred fifty-two", and thus it is an aban number.