401444454004 has 24 divisors (see below), whose sum is σ = 766411059456. Its totient is φ = 182470680000.

The previous prime is 401444453953. The next prime is 401444454029. The reversal of 401444454004 is 400454444104.

It is a super-2 number, since 2×401444454004² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2861949 + ... + 2998939.

It is an arithmetic number, because the mean of its divisors is an integer number (31933794144).

Almost surely, 2^401444454004 is an apocalyptic number.

401444454004 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

401444454004 is a deficient number, since it is larger than the sum of its proper divisors (364966605452).

401444454004 is a wasteful number, since it uses less digits than its factorization.

401444454004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203607 (or 203605 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 34.

Adding to 401444454004 its reverse (400454444104), we get a palindrome (801898898108).

The spelling of 401444454004 in words is "four hundred one billion, four hundred forty-four million, four hundred fifty-four thousand, four".