401015012224540 has 48 divisors (see below), whose sum is σ = 974031644178432. Its totient is φ = 135834344928576.

The previous prime is 401015012224517. The next prime is 401015012224543. The reversal of 401015012224540 is 45422210510104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401015012224543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17255367564 + ... + 17255390803.

It is an arithmetic number, because the mean of its divisors is an integer number (20292325920384).

Almost surely, 2^{401015012224540} is an apocalyptic number.

It is an amenable number.

401015012224540 is an abundant number, since it is smaller than the sum of its proper divisors (573016631953892).

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

401015012224540 is a wasteful number, since it uses less digits than its factorization.

401015012224540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34510758466 (or 34510758464 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 401015012224540 its reverse (45422210510104), we get a palindrome (446437222734644).

The spelling of 401015012224540 in words is "four hundred one trillion, fifteen billion, twelve million, two hundred twenty-four thousand, five hundred forty".