401305505532 has 48 divisors (see below), whose sum is σ = 940311741600. Its totient is φ = 133207234560.

The previous prime is 401305505527. The next prime is 401305505551. The reversal of 401305505532 is 235505503104.

It is a happy number.

It is a super-2 number, since 2×401305505532² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401305505493 and 401305505502.

It is a congruent number.

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, 6946944 + ... + 7004472.

It is an arithmetic number, because the mean of its divisors is an integer number (19589827950).

Almost surely, 2^401305505532 is an apocalyptic number.

It is an amenable number.

401305505532 is an abundant number, since it is smaller than the sum of its proper divisors (539006236068).

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

401305505532 is a wasteful number, since it uses less digits than its factorization.

401305505532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59966 (or 59964 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 33.

The spelling of 401305505532 in words is "four hundred one billion, three hundred five million, five hundred five thousand, five hundred thirty-two".