401102440521 has 8 divisors (see below), whose sum is σ = 538885722144. Its totient is φ = 265360392960.

The previous prime is 401102440511. The next prime is 401102440549. The reversal of 401102440521 is 125044201104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 401102440521 - 2⁷ = 401102440393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 401102440491 and 401102440500.

It is not an unprimeable number, because it can be changed into a prime (401102440511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510308056 + ... + 510308841.

It is an arithmetic number, because the mean of its divisors is an integer number (67360715268).

Almost surely, 2^401102440521 is an apocalyptic number.

It is an amenable number.

401102440521 is a deficient number, since it is larger than the sum of its proper divisors (137783281623).

401102440521 is a wasteful number, since it uses less digits than its factorization.

401102440521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020617031.

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 401102440521 its reverse (125044201104), we get a palindrome (526146641625).

The spelling of 401102440521 in words is "four hundred one billion, one hundred two million, four hundred forty thousand, five hundred twenty-one".