400445062 has 4 divisors (see below), whose sum is σ = 600667596. Its totient is φ = 200222530.

The previous prime is 400445057. The next prime is 400445063. The reversal of 400445062 is 260544004.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400445063) by changing a digit.

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 as a sum of consecutive naturals, namely, 100111264 + ... + 100111267.

It is an arithmetic number, because the mean of its divisors is an integer number (150166899).

Almost surely, 2^400445062 is an apocalyptic number.

400445062 is a deficient number, since it is larger than the sum of its proper divisors (200222534).

400445062 is a wasteful number, since it uses less digits than its factorization.

400445062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200222533.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 400445062 is about 20011.1234567178. The cubic root of 400445062 is about 737.0794688433.

Adding to 400445062 its reverse (260544004), we get a palindrome (660989066).

The spelling of 400445062 in words is "four hundred million, four hundred forty-five thousand, sixty-two".