40318492 has 12 divisors (see below), whose sum is σ = 74707920. Its totient is φ = 18973376.

The previous prime is 40318463. The next prime is 40318511. The reversal of 40318492 is 29481304.

40318492 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 in 3 ways as a sum of consecutive naturals, for example, 296392 + ... + 296527.

It is an arithmetic number, because the mean of its divisors is an integer number (6225660).

Almost surely, 2^40318492 is an apocalyptic number.

It is an amenable number.

40318492 is a deficient number, since it is larger than the sum of its proper divisors (34389428).

40318492 is a wasteful number, since it uses less digits than its factorization.

40318492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592940 (or 592938 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 40318492 is about 6349.6844016061. The cubic root of 40318492 is about 342.9004802692.

Adding to 40318492 its reverse (29481304), we get a palindrome (69799796).

The spelling of 40318492 in words is "forty million, three hundred eighteen thousand, four hundred ninety-two".