40356452 has 12 divisors (see below), whose sum is σ = 70668780. Its totient is φ = 20165376.

The previous prime is 40356431. The next prime is 40356457. The reversal of 40356452 is 25465304.

40356452 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 22429696 + 17926756 = 4736^2 + 4234^2 .

It is not an unprimeable number, because it can be changed into a prime (40356457) 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, 9068 + ... + 12764.

It is an arithmetic number, because the mean of its divisors is an integer number (5889065).

Almost surely, 2^40356452 is an apocalyptic number.

It is an amenable number.

40356452 is a deficient number, since it is larger than the sum of its proper divisors (30312328).

40356452 is a wasteful number, since it uses less digits than its factorization.

40356452 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 14400, while the sum is 29.

The square root of 40356452 is about 6352.6728233083. The cubic root of 40356452 is about 343.0080605109.

The spelling of 40356452 in words is "forty million, three hundred fifty-six thousand, four hundred fifty-two".