40304334 has 16 divisors (see below), whose sum is σ = 92124288. Its totient is φ = 11515512.

The previous prime is 40304323. The next prime is 40304401. The reversal of 40304334 is 43340304.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40304334.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479772 + ... + 479855.

It is an arithmetic number, because the mean of its divisors is an integer number (5757768).

Almost surely, 2^40304334 is an apocalyptic number.

40304334 is an abundant number, since it is smaller than the sum of its proper divisors (51819954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40304334 is a wasteful number, since it uses less digits than its factorization.

40304334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959639.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 40304334 is about 6348.5694451585. The cubic root of 40304334 is about 342.8603386111.

Adding to 40304334 its reverse (43340304), we get a palindrome (83644638).

The spelling of 40304334 in words is "forty million, three hundred four thousand, three hundred thirty-four".