40144346 has 8 divisors (see below), whose sum is σ = 65690784. Its totient is φ = 18247420.

The previous prime is 40144339. The next prime is 40144417. The reversal of 40144346 is 64344104.

40144346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×40144346² = 3223137031535432, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 912350 + ... + 912393.

It is an arithmetic number, because the mean of its divisors is an integer number (8211348).

Almost surely, 2^40144346 is an apocalyptic number.

40144346 is a deficient number, since it is larger than the sum of its proper divisors (25546438).

40144346 is a wasteful number, since it uses less digits than its factorization.

40144346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824756.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 40144346 is about 6335.9565970736. The cubic root of 40144346 is about 342.4060757958.

The spelling of 40144346 in words is "forty million, one hundred forty-four thousand, three hundred forty-six".