40072852 has 12 divisors (see below), whose sum is σ = 71277556. Its totient is φ = 19707840.

The previous prime is 40072847. The next prime is 40072853. The reversal of 40072852 is 25827004.

40072852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12152196 + 27920656 = 3486^2 + 5284^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 40072852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40072853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81873 + ... + 82360.

Almost surely, 2^40072852 is an apocalyptic number.

It is an amenable number.

40072852 is a deficient number, since it is larger than the sum of its proper divisors (31204704).

40072852 is a wasteful number, since it uses less digits than its factorization.

40072852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164298 (or 164296 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 40072852 is about 6330.3121566002. The cubic root of 40072852 is about 342.2026886929.

Adding to 40072852 its reverse (25827004), we get a palindrome (65899856).

It can be divided in two parts, 4007 and 2852, that added together give a cube (6859 = 19³).

The spelling of 40072852 in words is "forty million, seventy-two thousand, eight hundred fifty-two".