401005044445 has 32 divisors (see below), whose sum is σ = 526990049280. Its totient is φ = 291799609920.

The previous prime is 401005044373. The next prime is 401005044463. The reversal of 401005044445 is 544440500104.

It is not a de Polignac number, because 401005044445 - 2¹³ = 401005036253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

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 31 ways as a sum of consecutive naturals, for example, 162067 + ... + 910096.

It is an arithmetic number, because the mean of its divisors is an integer number (16468439040).

Almost surely, 2^401005044445 is an apocalyptic number.

It is an amenable number.

401005044445 is a deficient number, since it is larger than the sum of its proper divisors (125985004835).

401005044445 is a wasteful number, since it uses less digits than its factorization.

401005044445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072345.

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 401005044445 its reverse (544440500104), we get a palindrome (945445544549).

The spelling of 401005044445 in words is "four hundred one billion, five million, forty-four thousand, four hundred forty-five".