400214214243 has 6 divisors (see below), whose sum is σ = 578087198364. Its totient is φ = 266809476156.

The previous prime is 400214214241. The next prime is 400214214277. The reversal of 400214214243 is 342412412004.

400214214243 is a `hidden beast` number, since 4 + 0 + 0 + 214 + 21 + 424 + 3 = 666.

It is not a de Polignac number, because 400214214243 - 2¹ = 400214214241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400214214241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22234123005 + ... + 22234123022.

It is an arithmetic number, because the mean of its divisors is an integer number (96347866394).

Almost surely, 2^400214214243 is an apocalyptic number.

400214214243 is a deficient number, since it is larger than the sum of its proper divisors (177872984121).

400214214243 is a wasteful number, since it uses less digits than its factorization.

400214214243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44468246033 (or 44468246030 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 400214214243 its reverse (342412412004), we get a palindrome (742626626247).

The spelling of 400214214243 in words is "four hundred billion, two hundred fourteen million, two hundred fourteen thousand, two hundred forty-three".