40443652 has 12 divisors (see below), whose sum is σ = 70862400. Its totient is φ = 20197256.

The previous prime is 40443643. The next prime is 40443653. The reversal of 40443652 is 25634404.

It is a self number, because there is not a number n which added to its sum of digits gives 40443652.

It is not an unprimeable number, because it can be changed into a prime (40443653) 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, 2152 + ... + 9247.

It is an arithmetic number, because the mean of its divisors is an integer number (5905200).

Almost surely, 2^40443652 is an apocalyptic number.

It is an amenable number.

40443652 is a deficient number, since it is larger than the sum of its proper divisors (30418748).

40443652 is a wasteful number, since it uses less digits than its factorization.

40443652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12290 (or 12288 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 40443652 is about 6359.5323727457. The cubic root of 40443652 is about 343.2549337647.

The spelling of 40443652 in words is "forty million, four hundred forty-three thousand, six hundred fifty-two".