401013132140 has 48 divisors (see below), whose sum is σ = 857828881728. Its totient is φ = 157442095104.

The previous prime is 401013132127. The next prime is 401013132181. The reversal of 401013132140 is 41231310104.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 628577 + ... + 1094136.

It is an arithmetic number, because the mean of its divisors is an integer number (17871435036).

Almost surely, 2^401013132140 is an apocalyptic number.

It is an amenable number.

401013132140 is an abundant number, since it is smaller than the sum of its proper divisors (456815749588).

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

401013132140 is a wasteful number, since it uses less digits than its factorization.

401013132140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722938 (or 1722936 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 401013132140 its reverse (41231310104), we get a palindrome (442244442244).

The spelling of 401013132140 in words is "four hundred one billion, thirteen million, one hundred thirty-two thousand, one hundred forty".