401100443054540 has 24 divisors (see below), whose sum is σ = 842323586031312. Its totient is φ = 160437766628160.

The previous prime is 401100443054527. The next prime is 401100443054573. The reversal of 401100443054540 is 45450344001104.

It is a super-2 number, since 2×401100443054540² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401100443054540.

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, 149297399 + ... + 151960238.

It is an arithmetic number, because the mean of its divisors is an integer number (35096816084638).

Almost surely, 2^{401100443054540} is an apocalyptic number.

It is an amenable number.

401100443054540 is an abundant number, since it is smaller than the sum of its proper divisors (441223142976772).

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

401100443054540 is a wasteful number, since it uses less digits than its factorization.

401100443054540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301324217 (or 301324215 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 401100443054540 its reverse (45450344001104), we get a palindrome (446550787055644).

The spelling of 401100443054540 in words is "four hundred one trillion, one hundred billion, four hundred forty-three million, fifty-four thousand, five hundred forty".