40213052 has 12 divisors (see below), whose sum is σ = 76770456. Its totient is φ = 18278640.

The previous prime is 40213027. The next prime is 40213057. The reversal of 40213052 is 25031204.

40213052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40213052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40213057) 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, 456923 + ... + 457010.

It is an arithmetic number, because the mean of its divisors is an integer number (6397538).

Almost surely, 2^40213052 is an apocalyptic number.

It is an amenable number.

40213052 is a deficient number, since it is larger than the sum of its proper divisors (36557404).

40213052 is a wasteful number, since it uses less digits than its factorization.

40213052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913948 (or 913946 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 40213052 is about 6341.3761913326. The cubic root of 40213052 is about 342.6013041482.

Adding to 40213052 its reverse (25031204), we get a palindrome (65244256).

The spelling of 40213052 in words is "forty million, two hundred thirteen thousand, fifty-two".