401443130140 has 48 divisors (see below), whose sum is σ = 908008684128. Its totient is φ = 148203995904.

The previous prime is 401443130083. The next prime is 401443130161. The reversal of 401443130140 is 41031344104.

It is a super-2 number, since 2×401443130140² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 1776594 + ... + 1989766.

It is an arithmetic number, because the mean of its divisors is an integer number (18916847586).

Almost surely, 2^401443130140 is an apocalyptic number.

It is an amenable number.

401443130140 is an abundant number, since it is smaller than the sum of its proper divisors (506565553988).

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

401443130140 is a wasteful number, since it uses less digits than its factorization.

401443130140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220438 (or 220436 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 401443130140 its reverse (41031344104), we get a palindrome (442474474244).

The spelling of 401443130140 in words is "four hundred one billion, four hundred forty-three million, one hundred thirty thousand, one hundred forty".