400159246 has 8 divisors (see below), whose sum is σ = 601672680. Its totient is φ = 199601688.

The previous prime is 400159231. The next prime is 400159259. The reversal of 400159246 is 642951004.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237921 + ... + 239596.

It is an arithmetic number, because the mean of its divisors is an integer number (75209085).

Almost surely, 2^400159246 is an apocalyptic number.

400159246 is a deficient number, since it is larger than the sum of its proper divisors (201513434).

400159246 is a wasteful number, since it uses less digits than its factorization.

400159246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477938.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 400159246 is about 20003.9807538400. The cubic root of 400159246 is about 736.9040646353.

The spelling of 400159246 in words is "four hundred million, one hundred fifty-nine thousand, two hundred forty-six".