40468738 has 16 divisors (see below), whose sum is σ = 64743840. Its totient is φ = 18904896.

The previous prime is 40468693. The next prime is 40468741. The reversal of 40468738 is 83786404.

It is a self number, because there is not a number n which added to its sum of digits gives 40468738.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445 + ... + 9007.

It is an arithmetic number, because the mean of its divisors is an integer number (4046490).

Almost surely, 2^40468738 is an apocalyptic number.

40468738 is a deficient number, since it is larger than the sum of its proper divisors (24275102).

40468738 is a wasteful number, since it uses less digits than its factorization.

40468738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8721.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 40468738 is about 6361.5043818267. The cubic root of 40468738 is about 343.3258893873.

The spelling of 40468738 in words is "forty million, four hundred sixty-eight thousand, seven hundred thirty-eight".