401522197141 has 24 divisors (see below), whose sum is σ = 460441433664. Its totient is φ = 348772020480.

The previous prime is 401522197133. The next prime is 401522197147. The reversal of 401522197141 is 141791225104.

It is not a de Polignac number, because 401522197141 - 2³ = 401522197133 is a prime.

It is a super-2 number, since 2×401522197141² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 401522197141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401522197147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25076160 + ... + 25092166.

It is an arithmetic number, because the mean of its divisors is an integer number (19185059736).

Almost surely, 2^401522197141 is an apocalyptic number.

It is an amenable number.

401522197141 is a deficient number, since it is larger than the sum of its proper divisors (58919236523).

401522197141 is a wasteful number, since it uses less digits than its factorization.

401522197141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24781 (or 24768 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 37.

The spelling of 401522197141 in words is "four hundred one billion, five hundred twenty-two million, one hundred ninety-seven thousand, one hundred forty-one".