401045445101 has 4 divisors (see below), whose sum is σ = 458337651552. Its totient is φ = 343753238652.

The previous prime is 401045445083. The next prime is 401045445131. The reversal of 401045445101 is 101544540104.

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 401045445101 - 2¹⁸ = 401045182957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401045445131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28646103215 + ... + 28646103228.

It is an arithmetic number, because the mean of its divisors is an integer number (114584412888).

Almost surely, 2^401045445101 is an apocalyptic number.

It is an amenable number.

401045445101 is a deficient number, since it is larger than the sum of its proper divisors (57292206451).

401045445101 is an equidigital number, since it uses as much as digits as its factorization.

401045445101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57292206450.

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 401045445101 its reverse (101544540104), we get a palindrome (502589985205).

The spelling of 401045445101 in words is "four hundred one billion, forty-five million, four hundred forty-five thousand, one hundred one".