401155320234140 has 24 divisors (see below), whose sum is σ = 886764392097360. Its totient is φ = 152016752930688.

The previous prime is 401155320234017. The next prime is 401155320234157. The reversal of 401155320234140 is 41432023551104.

It is a self number, because there is not a number n which added to its sum of digits gives 401155320234140.

It is a congruent number.

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, 527835947297 + ... + 527835948056.

It is an arithmetic number, because the mean of its divisors is an integer number (36948516337390).

Almost surely, 2^{401155320234140} is an apocalyptic number.

It is an amenable number.

401155320234140 is an abundant number, since it is smaller than the sum of its proper divisors (485609071863220).

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

401155320234140 is a wasteful number, since it uses less digits than its factorization.

401155320234140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055671895381 (or 1055671895379 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 401155320234140 its reverse (41432023551104), we get a palindrome (442587343785244).

The spelling of 401155320234140 in words is "four hundred one trillion, one hundred fifty-five billion, three hundred twenty million, two hundred thirty-four thousand, one hundred forty".