400212442441 has 8 divisors (see below), whose sum is σ = 457865599104. Its totient is φ = 342679273440.

The previous prime is 400212442417. The next prime is 400212442451. The reversal of 400212442441 is 144244212004.

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 400212442441 - 2²⁷ = 400078224713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400212442411) 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, 29989765 + ... + 30003106.

It is an arithmetic number, because the mean of its divisors is an integer number (57233199888).

Almost surely, 2^400212442441 is an apocalyptic number.

It is an amenable number.

400212442441 is a deficient number, since it is larger than the sum of its proper divisors (57653156663).

400212442441 is an equidigital number, since it uses as much as digits as its factorization.

400212442441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59993831.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 400212442441 its reverse (144244212004), we get a palindrome (544456654445).

The spelling of 400212442441 in words is "four hundred billion, two hundred twelve million, four hundred forty-two thousand, four hundred forty-one".