40000052 has 12 divisors (see below), whose sum is σ = 70169316. Its totient is φ = 19951680.

The previous prime is 40000033. The next prime is 40000061. The reversal of 40000052 is 25000004.

It can be written as a sum of positive squares in 2 ways, for example, as 10471696 + 29528356 = 3236^2 + 5434^2 .

40000052 is a modest number, since divided by 52 gives 40 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 39999988 and 40000042.

It is a congruent number.

It is an unprimeable number.

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, 10193 + ... + 13560.

It is an arithmetic number, because the mean of its divisors is an integer number (5847443).

Almost surely, 2^40000052 is an apocalyptic number.

It is an amenable number.

40000052 is a deficient number, since it is larger than the sum of its proper divisors (30169264).

40000052 is a wasteful number, since it uses less digits than its factorization.

40000052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24178 (or 24176 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 11.

The square root of 40000052 is about 6324.5594312964. The cubic root of 40000052 is about 341.9953375332.

Adding to 40000052 its reverse (25000004), we get a palindrome (65000056).

The spelling of 40000052 in words is "forty million, fifty-two", and thus it is an aban number, an eban number, and an uban number.