400014442 has 8 divisors (see below), whose sum is σ = 600268896. Its totient is φ = 199924812.

The previous prime is 400014431. The next prime is 400014457. The reversal of 400014442 is 244410004.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34948 + ... + 44959.

It is an arithmetic number, because the mean of its divisors is an integer number (75033612).

Almost surely, 2^400014442 is an apocalyptic number.

400014442 is a deficient number, since it is larger than the sum of its proper divisors (200254454).

400014442 is a wasteful number, since it uses less digits than its factorization.

400014442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82412.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 400014442 is about 20000.3610467411. The cubic root of 400014442 is about 736.8151670852.

Adding to 400014442 its reverse (244410004), we get a palindrome (644424446).

The spelling of 400014442 in words is "four hundred million, fourteen thousand, four hundred forty-two".