401555300455 has 8 divisors (see below), whose sum is σ = 482017862304. Its totient is φ = 321143239200.

The previous prime is 401555300449. The next prime is 401555300467. The reversal of 401555300455 is 554003555104.

It is a happy number.

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

It is not a de Polignac number, because 401555300455 - 2¹⁹ = 401554776167 is a prime.

It is a super-2 number, since 2×401555300455² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12607651 + ... + 12639460.

It is an arithmetic number, because the mean of its divisors is an integer number (60252232788).

Almost surely, 2^401555300455 is an apocalyptic number.

401555300455 is a deficient number, since it is larger than the sum of its proper divisors (80462561849).

401555300455 is a wasteful number, since it uses less digits than its factorization.

401555300455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25250297.

The product of its (nonzero) digits is 150000, while the sum is 37.

Adding to 401555300455 its reverse (554003555104), we get a palindrome (955558855559).

The spelling of 401555300455 in words is "four hundred one billion, five hundred fifty-five million, three hundred thousand, four hundred fifty-five".