40046452 has 18 divisors (see below), whose sum is σ = 73966578. Its totient is φ = 18968688.

The previous prime is 40046449. The next prime is 40046467. The reversal of 40046452 is 25464004.

40046452 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 only one way, i.e., 29116816 + 10929636 = 5396^2 + 3306^2 .

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 12423 + ... + 15310.

Almost surely, 2^40046452 is an apocalyptic number.

It is an amenable number.

40046452 is a deficient number, since it is larger than the sum of its proper divisors (33920126).

40046452 is a wasteful number, since it uses less digits than its factorization.

40046452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27775 (or 27754 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 40046452 is about 6328.2266078262. The cubic root of 40046452 is about 342.1275244594.

The spelling of 40046452 in words is "forty million, forty-six thousand, four hundred fifty-two".