401641211136 has 72 divisors (see below), whose sum is σ = 1166128768224. Its totient is φ = 121709455360.

The previous prime is 401641211129. The next prime is 401641211137. The reversal of 401641211136 is 631112146104.

It is a super-2 number, since 2×401641211136² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401641211137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23762931 + ... + 23779826.

It is an arithmetic number, because the mean of its divisors is an integer number (16196232892).

Almost surely, 2^401641211136 is an apocalyptic number.

It is an amenable number.

401641211136 is an abundant number, since it is smaller than the sum of its proper divisors (764487557088).

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

401641211136 is a wasteful number, since it uses less digits than its factorization.

401641211136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47542787 (or 47542773 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The spelling of 401641211136 in words is "four hundred one billion, six hundred forty-one million, two hundred eleven thousand, one hundred thirty-six".