401343423204444 has 48 divisors (see below), whose sum is σ = 1070331186908928. Its totient is φ = 114660757519488.

The previous prime is 401343423204419. The next prime is 401343423204497. The reversal of 401343423204444 is 444402324343104.

It is a super-2 number, since 2×401343423204444² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 401343423204396 and 401343423204405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182063857 + ... + 184255080.

It is an arithmetic number, because the mean of its divisors is an integer number (22298566393936).

Almost surely, 2^{401343423204444} is an apocalyptic number.

It is an amenable number.

401343423204444 is an abundant number, since it is smaller than the sum of its proper divisors (668987763704484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401343423204444 is a wasteful number, since it uses less digits than its factorization.

401343423204444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366331994 (or 366331992 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 42.

Adding to 401343423204444 its reverse (444402324343104), we get a palindrome (845745747547548).

The spelling of 401343423204444 in words is "four hundred one trillion, three hundred forty-three billion, four hundred twenty-three million, two hundred four thousand, four hundred forty-four".