401232441023040 has 112 divisors (see below), whose sum is σ = 1389723273034560. Its totient is φ = 97268470548480.

The previous prime is 401232441023039. The next prime is 401232441023077. The reversal of 401232441023040 is 40320144232104.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 401232441022989 and 401232441023007.

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, 18997737595 + ... + 18997758714.

Almost surely, 2^{401232441023040} is an apocalyptic number.

401232441023040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401232441023040 is an abundant number, since it is smaller than the sum of its proper divisors (988490832011520).

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

401232441023040 is a wasteful number, since it uses less digits than its factorization.

401232441023040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37995496340 (or 37995496330 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 401232441023040 its reverse (40320144232104), we get a palindrome (441552585255144).

The spelling of 401232441023040 in words is "four hundred one trillion, two hundred thirty-two billion, four hundred forty-one million, twenty-three thousand, forty".