400201042220341 has 4 divisors (see below), whose sum is σ = 421264254968800. Its totient is φ = 379137829471884.

The previous prime is 400201042220293. The next prime is 400201042220351. The reversal of 400201042220341 is 143022240102004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 400201042220341 - 2³⁹ = 399651286406453 is a prime.

It is a super-3 number, since 3×400201042220341³ (a number of 45 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400201042220351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10531606374201 + ... + 10531606374238.

It is an arithmetic number, because the mean of its divisors is an integer number (105316063742200).

Almost surely, 2^{400201042220341} is an apocalyptic number.

It is an amenable number.

400201042220341 is a deficient number, since it is larger than the sum of its proper divisors (21063212748459).

400201042220341 is a wasteful number, since it uses less digits than its factorization.

400201042220341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21063212748458.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 400201042220341 its reverse (143022240102004), we get a palindrome (543223282322345).

The spelling of 400201042220341 in words is "four hundred trillion, two hundred one billion, forty-two million, two hundred twenty thousand, three hundred forty-one".