40309462 has 8 divisors (see below), whose sum is σ = 61051536. Its totient is φ = 19958952.

The previous prime is 40309459. The next prime is 40309481. The reversal of 40309462 is 26490304.

40309462 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 40309462.

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, 97633 + ... + 98044.

It is an arithmetic number, because the mean of its divisors is an integer number (7631442).

Almost surely, 2^40309462 is an apocalyptic number.

40309462 is a deficient number, since it is larger than the sum of its proper divisors (20742074).

40309462 is a wasteful number, since it uses less digits than its factorization.

40309462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195782.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 40309462 is about 6348.9733028262. The cubic root of 40309462 is about 342.8748789271.

Adding to 40309462 its reverse (26490304), we get a palindrome (66799766).

The spelling of 40309462 in words is "forty million, three hundred nine thousand, four hundred sixty-two".