401440511134 has 16 divisors (see below), whose sum is σ = 670842234720. Its totient is φ = 178891261920.

The previous prime is 401440511111. The next prime is 401440511161. The reversal of 401440511134 is 431115044104.

It is a super-2 number, since 2×401440511134² (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 7 ways as a sum of consecutive naturals, for example, 266206482 + ... + 266207989.

It is an arithmetic number, because the mean of its divisors is an integer number (41927639670).

Almost surely, 2^401440511134 is an apocalyptic number.

401440511134 is a deficient number, since it is larger than the sum of its proper divisors (269401723586).

401440511134 is a wasteful number, since it uses less digits than its factorization.

401440511134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532414515.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 401440511134 its reverse (431115044104), we get a palindrome (832555555238).

The spelling of 401440511134 in words is "four hundred one billion, four hundred forty million, five hundred eleven thousand, one hundred thirty-four".