40066354 has 4 divisors (see below), whose sum is σ = 60099534. Its totient is φ = 20033176.

The previous prime is 40066343. The next prime is 40066379. The reversal of 40066354 is 45366004.

40066354 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23785129 + 16281225 = 4877^2 + 4035^2 .

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 as a sum of consecutive naturals, namely, 10016587 + ... + 10016590.

Almost surely, 2^40066354 is an apocalyptic number.

40066354 is a deficient number, since it is larger than the sum of its proper divisors (20033180).

40066354 is a wasteful number, since it uses less digits than its factorization.

40066354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20033179.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 40066354 is about 6329.7988909601. The cubic root of 40066354 is about 342.1841911052.

The spelling of 40066354 in words is "forty million, sixty-six thousand, three hundred fifty-four".