401252446043152 has 60 divisors (see below), whose sum is σ = 867280905535408. Its totient is φ = 179665274289600.

The previous prime is 401252446043129. The next prime is 401252446043173. The reversal of 401252446043152 is 251340644252104.

It is a super-2 number, since 2×401252446043152² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401252446043099 and 401252446043108.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1546575474 + ... + 1546834897.

Almost surely, 2^{401252446043152} is an apocalyptic number.

It is an amenable number.

401252446043152 is an abundant number, since it is smaller than the sum of its proper divisors (466028459492256).

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

401252446043152 is a wasteful number, since it uses less digits than its factorization.

401252446043152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3093410468 (or 3093410451 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 43.

The spelling of 401252446043152 in words is "four hundred one trillion, two hundred fifty-two billion, four hundred forty-six million, forty-three thousand, one hundred fifty-two".