400340014 has 8 divisors (see below), whose sum is σ = 619881408. Its totient is φ = 193712880.

The previous prime is 400340009. The next prime is 400340023. The reversal of 400340014 is 410043004.

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

It is a self number, because there is not a number n which added to its sum of digits gives 400340014.

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, 3228487 + ... + 3228610.

It is an arithmetic number, because the mean of its divisors is an integer number (77485176).

Almost surely, 2^400340014 is an apocalyptic number.

400340014 is a deficient number, since it is larger than the sum of its proper divisors (219541394).

400340014 is a wasteful number, since it uses less digits than its factorization.

400340014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6457130.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 400340014 is about 20008.4985443686. The cubic root of 400340014 is about 737.0150109829.

Adding to 400340014 its reverse (410043004), we get a palindrome (810383018).

The spelling of 400340014 in words is "four hundred million, three hundred forty thousand, fourteen".