401451444511 has 8 divisors (see below), whose sum is σ = 447240336480. Its totient is φ = 357792268512.

The previous prime is 401451444473. The next prime is 401451444547. The reversal of 401451444511 is 115444154104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 401451444511 - 2²⁵ = 401417890079 is a prime.

It is a super-2 number, since 2×401451444511² (a number of 24 digits) contains 22 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 (401451474511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532428595 + ... + 532429348.

It is an arithmetic number, because the mean of its divisors is an integer number (55905042060).

Almost surely, 2^401451444511 is an apocalyptic number.

401451444511 is a deficient number, since it is larger than the sum of its proper divisors (45788891969).

401451444511 is a wasteful number, since it uses less digits than its factorization.

401451444511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064857985.

The product of its (nonzero) digits is 25600, while the sum is 34.

Adding to 401451444511 its reverse (115444154104), we get a palindrome (516895598615).

The spelling of 401451444511 in words is "four hundred one billion, four hundred fifty-one million, four hundred forty-four thousand, five hundred eleven".