400210534445444 has 48 divisors (see below), whose sum is σ = 720141202851840. Its totient is φ = 194525362961280.

The previous prime is 400210534445413. The next prime is 400210534445551. The reversal of 400210534445444 is 444544435012004.

It is a happy number.

It is a super-2 number, since 2×400210534445444² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 400210534445395 and 400210534445404.

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, 2134692629 + ... + 2134880099.

It is an arithmetic number, because the mean of its divisors is an integer number (15002941726080).

Almost surely, 2^{400210534445444} is an apocalyptic number.

It is an amenable number.

400210534445444 is a deficient number, since it is larger than the sum of its proper divisors (319930668406396).

400210534445444 is a wasteful number, since it uses less digits than its factorization.

400210534445444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280020 (or 280018 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 44.

Adding to 400210534445444 its reverse (444544435012004), we get a palindrome (844754969457448).

The spelling of 400210534445444 in words is "four hundred trillion, two hundred ten billion, five hundred thirty-four million, four hundred forty-five thousand, four hundred forty-four".