400202444003201 has 16 divisors (see below), whose sum is σ = 458656320675840. Its totient is φ = 342069389338320.

The previous prime is 400202444003123. The next prime is 400202444003237. The reversal of 400202444003201 is 102300444202004.

It is a happy number.

It is not a de Polignac number, because 400202444003201 - 2²⁶ = 400202376894337 is a prime.

It is a super-2 number, since 2×400202444003201² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (400202444003281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3776480 + ... + 28542366.

It is an arithmetic number, because the mean of its divisors is an integer number (28666020042240).

Almost surely, 2^{400202444003201} is an apocalyptic number.

It is an amenable number.

400202444003201 is a deficient number, since it is larger than the sum of its proper divisors (58453876672639).

400202444003201 is a wasteful number, since it uses less digits than its factorization.

400202444003201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24772364.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 400202444003201 its reverse (102300444202004), we get a palindrome (502502888205205).

The spelling of 400202444003201 in words is "four hundred trillion, two hundred two billion, four hundred forty-four million, three thousand, two hundred one".