400612014 has 32 divisors (see below), whose sum is σ = 971182080. Its totient is φ = 121397400.

The previous prime is 400611997. The next prime is 400612019. The reversal of 400612014 is 410216004.

400612014 is a `hidden beast` number, since 40 + 0 + 612 + 0 + 14 = 666.

It is a super-2 number, since 2×400612014² = 320979971522272392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400612019) 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 in 15 ways as a sum of consecutive naturals, for example, 336622 + ... + 337809.

It is an arithmetic number, because the mean of its divisors is an integer number (30349440).

Almost surely, 2^400612014 is an apocalyptic number.

400612014 is an abundant number, since it is smaller than the sum of its proper divisors (570570066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400612014 is a wasteful number, since it uses less digits than its factorization.

400612014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674453 (or 674447 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 400612014 is about 20015.2945019552. The cubic root of 400612014 is about 737.1818880477.

Adding to 400612014 its reverse (410216004), we get a palindrome (810828018).

The spelling of 400612014 in words is "four hundred million, six hundred twelve thousand, fourteen".