403021222032040 has 128 divisors (see below), whose sum is σ = 957679946496000. Its totient is φ = 152332703550720.

The previous prime is 403021222032001. The next prime is 403021222032043. The reversal of 403021222032040 is 40230222120304.

It is a super-2 number, since 2×403021222032040² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 403021222031996 and 403021222032014.

It is not an unprimeable number, because it can be changed into a prime (403021222032043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1389530635 + ... + 1389820645.

It is an arithmetic number, because the mean of its divisors is an integer number (7481874582000).

Almost surely, 2^{403021222032040} is an apocalyptic number.

403021222032040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 403021222032040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (478839973248000).

403021222032040 is an abundant number, since it is smaller than the sum of its proper divisors (554658724463960).

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

403021222032040 is a wasteful number, since it uses less digits than its factorization.

403021222032040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308327 (or 308323 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 403021222032040 its reverse (40230222120304), we get a palindrome (443251444152344).

The spelling of 403021222032040 in words is "four hundred three trillion, twenty-one billion, two hundred twenty-two million, thirty-two thousand, forty".