42400366 has 8 divisors (see below), whose sum is σ = 63653760. Its totient is φ = 21182448.

The previous prime is 42400361. The next prime is 42400367. The reversal of 42400366 is 66300424.

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 42400366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42400361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5646 + ... + 10801.

It is an arithmetic number, because the mean of its divisors is an integer number (7956720).

Almost surely, 2^42400366 is an apocalyptic number.

42400366 is a deficient number, since it is larger than the sum of its proper divisors (21253394).

42400366 is a wasteful number, since it uses less digits than its factorization.

42400366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17738.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 42400366 is about 6511.5563423808. The cubic root of 42400366 is about 348.7036835928.

The spelling of 42400366 in words is "forty-two million, four hundred thousand, three hundred sixty-six".