400082446 has 4 divisors (see below), whose sum is σ = 600123672. Its totient is φ = 200041222.

The previous prime is 400082407. The next prime is 400082453. The reversal of 400082446 is 644280004.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100020610 + ... + 100020613.

It is an arithmetic number, because the mean of its divisors is an integer number (150030918).

Almost surely, 2^400082446 is an apocalyptic number.

400082446 is a deficient number, since it is larger than the sum of its proper divisors (200041226).

400082446 is a wasteful number, since it uses less digits than its factorization.

400082446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200041225.

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 400082446 is about 20002.0610438025. The cubic root of 400082446 is about 736.8569185273.

The spelling of 400082446 in words is "four hundred million, eighty-two thousand, four hundred forty-six".