40012052 has 12 divisors (see below), whose sum is σ = 70066080. Its totient is φ = 19993176.

The previous prime is 40012051. The next prime is 40012097. The reversal of 40012052 is 25021004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40012051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8699 + ... + 12477.

It is an arithmetic number, because the mean of its divisors is an integer number (5838840).

Almost surely, 2^40012052 is an apocalyptic number.

It is an amenable number.

40012052 is a deficient number, since it is larger than the sum of its proper divisors (30054028).

40012052 is a wasteful number, since it uses less digits than its factorization.

40012052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6430 (or 6428 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 40012052 is about 6325.5080428373. The cubic root of 40012052 is about 342.0295336031.

Adding to 40012052 its reverse (25021004), we get a palindrome (65033056).

The spelling of 40012052 in words is "forty million, twelve thousand, fifty-two".