401444454005 has 32 divisors (see below), whose sum is σ = 563425843200. Its totient is φ = 268841063232.

The previous prime is 401444453953. The next prime is 401444454029. The reversal of 401444454005 is 500454444104.

It is not a de Polignac number, because 401444454005 - 2¹² = 401444449909 is a prime.

It is a super-2 number, since 2×401444454005² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20878286 + ... + 20897504.

It is an arithmetic number, because the mean of its divisors is an integer number (17607057600).

Almost surely, 2^401444454005 is an apocalyptic number.

It is an amenable number.

401444454005 is a deficient number, since it is larger than the sum of its proper divisors (161981389195).

401444454005 is a wasteful number, since it uses less digits than its factorization.

401444454005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33153.

The product of its (nonzero) digits is 102400, while the sum is 35.

Adding to 401444454005 its reverse (500454444104), we get a palindrome (901898898109).

Subtracting 401444454005 from its reverse (500454444104), we obtain a palindrome (99009990099).

The spelling of 401444454005 in words is "four hundred one billion, four hundred forty-four million, four hundred fifty-four thousand, five".