401727798201 has 16 divisors (see below), whose sum is σ = 567500373504. Its totient is φ = 251906613504.

The previous prime is 401727798187. The next prime is 401727798203. The reversal of 401727798201 is 102897727104.

It is not a de Polignac number, because 401727798201 - 2¹⁴ = 401727781817 is a prime.

It is a super-2 number, since 2×401727798201² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401727798203) 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, 2384745 + ... + 2547638.

It is an arithmetic number, because the mean of its divisors is an integer number (35468773344).

Almost surely, 2^401727798201 is an apocalyptic number.

It is an amenable number.

401727798201 is a deficient number, since it is larger than the sum of its proper divisors (165772575303).

401727798201 is a wasteful number, since it uses less digits than its factorization.

401727798201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4934000.

The product of its (nonzero) digits is 395136, while the sum is 48.

The spelling of 401727798201 in words is "four hundred one billion, seven hundred twenty-seven million, seven hundred ninety-eight thousand, two hundred one".