401031442140 has 96 divisors (see below), whose sum is σ = 1297719843840. Its totient is φ = 90634384896.

The previous prime is 401031442027. The next prime is 401031442169. The reversal of 401031442140 is 41244130104.

It is a self number, because there is not a number n which added to its sum of digits gives 401031442140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5326872 + ... + 5401631.

It is an arithmetic number, because the mean of its divisors is an integer number (13517915040).

Almost surely, 2^401031442140 is an apocalyptic number.

It is an amenable number.

401031442140 is an abundant number, since it is smaller than the sum of its proper divisors (896688401700).

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

401031442140 is a wasteful number, since it uses less digits than its factorization.

401031442140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10728611 (or 10728609 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 401031442140 its reverse (41244130104), we get a palindrome (442275572244).

The spelling of 401031442140 in words is "four hundred one billion, thirty-one million, four hundred forty-two thousand, one hundred forty".