40002652 has 24 divisors (see below), whose sum is σ = 71215200. Its totient is φ = 19658496.

The previous prime is 40002647. The next prime is 40002653. The reversal of 40002652 is 25620004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40002653) 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 7 ways as a sum of consecutive naturals, for example, 111249 + ... + 111607.

It is an arithmetic number, because the mean of its divisors is an integer number (2967300).

Almost surely, 2^40002652 is an apocalyptic number.

It is an amenable number.

40002652 is a deficient number, since it is larger than the sum of its proper divisors (31212548).

40002652 is a wasteful number, since it uses less digits than its factorization.

40002652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765 (or 763 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 40002652 is about 6324.7649758706. The cubic root of 40002652 is about 342.0027472620.

Adding to 40002652 its reverse (25620004), we get a palindrome (65622656).

The spelling of 40002652 in words is "forty million, two thousand, six hundred fifty-two".