400244246 has 8 divisors (see below), whose sum is σ = 601304904. Its totient is φ = 199809280.

The previous prime is 400244239. The next prime is 400244261. The reversal of 400244246 is 642442004.

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

It is a super-2 number, since 2×400244246² = 320390912912217032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154820 + ... + 157383.

It is an arithmetic number, because the mean of its divisors is an integer number (75163113).

Almost surely, 2^400244246 is an apocalyptic number.

400244246 is a deficient number, since it is larger than the sum of its proper divisors (201060658).

400244246 is a wasteful number, since it uses less digits than its factorization.

400244246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312846.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 400244246 is about 20006.1052181578. The cubic root of 400244246 is about 736.9562375404.

The spelling of 400244246 in words is "four hundred million, two hundred forty-four thousand, two hundred forty-six".