40731356 has 6 divisors (see below), whose sum is σ = 71279880. Its totient is φ = 20365676.

The previous prime is 40731331. The next prime is 40731389. The reversal of 40731356 is 65313704.

40731356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 as a sum of consecutive naturals, namely, 5091416 + ... + 5091423.

It is an arithmetic number, because the mean of its divisors is an integer number (11879980).

Almost surely, 2^40731356 is an apocalyptic number.

It is an amenable number.

40731356 is a deficient number, since it is larger than the sum of its proper divisors (30548524).

40731356 is a wasteful number, since it uses less digits than its factorization.

40731356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10182843 (or 10182841 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 40731356 is about 6382.1121895498. The cubic root of 40731356 is about 344.0669488409.

The spelling of 40731356 in words is "forty million, seven hundred thirty-one thousand, three hundred fifty-six".