401117284485 has 24 divisors (see below), whose sum is σ = 695574147840. Its totient is φ = 213835622112.

The previous prime is 401117284481. The next prime is 401117284517. The reversal of 401117284485 is 584482711104.

It is not a de Polignac number, because 401117284485 - 2² = 401117284481 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 401117284485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401117284481) 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, 1845865 + ... + 2051694.

It is an arithmetic number, because the mean of its divisors is an integer number (28982256160).

Almost surely, 2^401117284485 is an apocalyptic number.

401117284485 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

401117284485 is a deficient number, since it is larger than the sum of its proper divisors (294456863355).

401117284485 is a wasteful number, since it uses less digits than its factorization.

401117284485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3899857 (or 3899854 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 45.

Adding to 401117284485 its reverse (584482711104), we get a palindrome (985599995589).

The spelling of 401117284485 in words is "four hundred one billion, one hundred seventeen million, two hundred eighty-four thousand, four hundred eighty-five".