400042212199 has 8 divisors (see below), whose sum is σ = 457198704000. Its totient is φ = 342887621496.

The previous prime is 400042212173. The next prime is 400042212281. The reversal of 400042212199 is 991212240004.

It is a happy number.

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

It is not a de Polignac number, because 400042212199 - 2⁹ = 400042211687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400042212109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8472 + ... + 894514.

It is an arithmetic number, because the mean of its divisors is an integer number (57149838000).

Almost surely, 2^400042212199 is an apocalyptic number.

400042212199 is a deficient number, since it is larger than the sum of its proper divisors (57156491801).

400042212199 is an equidigital number, since it uses as much as digits as its factorization.

400042212199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950549.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 400042212199 in words is "four hundred billion, forty-two million, two hundred twelve thousand, one hundred ninety-nine".