40665334 has 8 divisors (see below), whose sum is σ = 63650160. Its totient is φ = 19448616.

The previous prime is 40665259. The next prime is 40665341. The reversal of 40665334 is 43356604.

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

It is a junction number, because it is equal to n+sod(n) for n = 40665296 and 40665305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441969 + ... + 442060.

It is an arithmetic number, because the mean of its divisors is an integer number (7956270).

Almost surely, 2^40665334 is an apocalyptic number.

40665334 is a deficient number, since it is larger than the sum of its proper divisors (22984826).

40665334 is a wasteful number, since it uses less digits than its factorization.

40665334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884054.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 40665334 is about 6376.9376663097. The cubic root of 40665334 is about 343.8809474001.

The spelling of 40665334 in words is "forty million, six hundred sixty-five thousand, three hundred thirty-four".