40357012 has 6 divisors (see below), whose sum is σ = 70624778. Its totient is φ = 20178504.

The previous prime is 40356991. The next prime is 40357013. The reversal of 40357012 is 21075304.

40357012 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., 23677956 + 16679056 = 4866^2 + 4084^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40357013) 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 as a sum of consecutive naturals, namely, 5044623 + ... + 5044630.

Almost surely, 2^40357012 is an apocalyptic number.

It is an amenable number.

40357012 is a deficient number, since it is larger than the sum of its proper divisors (30267766).

40357012 is a wasteful number, since it uses less digits than its factorization.

40357012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10089257 (or 10089255 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 40357012 is about 6352.7168990913. The cubic root of 40357012 is about 343.0096470695.

The spelling of 40357012 in words is "forty million, three hundred fifty-seven thousand, twelve".