401031345424 has 20 divisors (see below), whose sum is σ = 784541907136. Its totient is φ = 198568917792.

The previous prime is 401031345413. The next prime is 401031345443. The reversal of 401031345424 is 424543130104.

It is a super-2 number, since 2×401031345424² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121670484 + ... + 121673779.

Almost surely, 2^401031345424 is an apocalyptic number.

It is an amenable number.

401031345424 is a deficient number, since it is larger than the sum of its proper divisors (383510561712).

401031345424 is a wasteful number, since it uses less digits than its factorization.

401031345424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243344374 (or 243344368 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 401031345424 its reverse (424543130104), we get a palindrome (825574475528).

The spelling of 401031345424 in words is "four hundred one billion, thirty-one million, three hundred forty-five thousand, four hundred twenty-four".