400001201033301 has 24 divisors (see below), whose sum is σ = 660381732489024. Its totient is φ = 228550553121600.

The previous prime is 400001201033263. The next prime is 400001201033363. The reversal of 400001201033301 is 103330102100004.

400001201033301 is a `hidden beast` number, since 400 + 0 + 0 + 1 + 201 + 0 + 33 + 30 + 1 = 666.

It is not a de Polignac number, because 400001201033301 - 2¹⁴ = 400001201016917 is a prime.

It is a super-2 number, since 2×400001201033301² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400001201533301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 298795651 + ... + 300131376.

It is an arithmetic number, because the mean of its divisors is an integer number (27515905520376).

Almost surely, 2^{400001201033301} is an apocalyptic number.

It is an amenable number.

400001201033301 is a deficient number, since it is larger than the sum of its proper divisors (260380531455723).

400001201033301 is a wasteful number, since it uses less digits than its factorization.

400001201033301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598937641 (or 598937638 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 400001201033301 its reverse (103330102100004), we get a palindrome (503331303133305).

The spelling of 400001201033301 in words is "four hundred trillion, one billion, two hundred one million, thirty-three thousand, three hundred one".