40578422 has 8 divisors (see below), whose sum is σ = 64448136. Its totient is φ = 19095712.

The previous prime is 40578389. The next prime is 40578427. The reversal of 40578422 is 22487504.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40578427) 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, 596708 + ... + 596775.

It is an arithmetic number, because the mean of its divisors is an integer number (8056017).

Almost surely, 2^40578422 is an apocalyptic number.

40578422 is a deficient number, since it is larger than the sum of its proper divisors (23869714).

40578422 is a wasteful number, since it uses less digits than its factorization.

40578422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193502.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 40578422 is about 6370.1194651278. The cubic root of 40578422 is about 343.6357860997.

The spelling of 40578422 in words is "forty million, five hundred seventy-eight thousand, four hundred twenty-two".