401651412324 has 12 divisors (see below), whose sum is σ = 937186628784. Its totient is φ = 133883804104.

The previous prime is 401651412311. The next prime is 401651412353. The reversal of 401651412324 is 423214156104.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×401651412324² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16735475502 + ... + 16735475525.

It is an arithmetic number, because the mean of its divisors is an integer number (78098885732).

Almost surely, 2^401651412324 is an apocalyptic number.

It is an amenable number.

401651412324 is an abundant number, since it is smaller than the sum of its proper divisors (535535216460).

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

401651412324 is a wasteful number, since it uses less digits than its factorization.

401651412324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33470951034 (or 33470951032 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 401651412324 its reverse (423214156104), we get a palindrome (824865568428).

The spelling of 401651412324 in words is "four hundred one billion, six hundred fifty-one million, four hundred twelve thousand, three hundred twenty-four".