40291352 has 16 divisors (see below), whose sum is σ = 75768000. Its totient is φ = 20086560.

The previous prime is 40291319. The next prime is 40291357. The reversal of 40291352 is 25319204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40291357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4424 + ... + 10007.

It is an arithmetic number, because the mean of its divisors is an integer number (4735500).

Almost surely, 2^40291352 is an apocalyptic number.

It is an amenable number.

40291352 is a deficient number, since it is larger than the sum of its proper divisors (35476648).

40291352 is a wasteful number, since it uses less digits than its factorization.

40291352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14786 (or 14782 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 40291352 is about 6347.5469277509. The cubic root of 40291352 is about 342.8235229600.

The spelling of 40291352 in words is "forty million, two hundred ninety-one thousand, three hundred fifty-two".