40002052 has 12 divisors (see below), whose sum is σ = 70189056. Its totient is φ = 19948040.

The previous prime is 40002043. The next prime is 40002073. The reversal of 40002052 is 25020004.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11524 + ... + 14587.

It is an arithmetic number, because the mean of its divisors is an integer number (5849088).

Almost surely, 2^40002052 is an apocalyptic number.

It is an amenable number.

40002052 is a deficient number, since it is larger than the sum of its proper divisors (30187004).

40002052 is a wasteful number, since it uses less digits than its factorization.

40002052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26498 (or 26496 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 40002052 is about 6324.7175431002. The cubic root of 40002052 is about 342.0010373531.

Adding to 40002052 its reverse (25020004), we get a palindrome (65022056).

The spelling of 40002052 in words is "forty million, two thousand, fifty-two", and thus it is an eban number.