202321155040 has 48 divisors (see below), whose sum is σ = 480916206288. Its totient is φ = 80431958016.

The previous prime is 202321155031. The next prime is 202321155061. The reversal of 202321155040 is 40551123202.

202321155040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 202321154996 and 202321155014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3852777 + ... + 3904936.

It is an arithmetic number, because the mean of its divisors is an integer number (10019087631).

Almost surely, 2^202321155040 is an apocalyptic number.

202321155040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202321155040 is an abundant number, since it is smaller than the sum of its proper divisors (278595051248).

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

202321155040 is a wasteful number, since it uses less digits than its factorization.

202321155040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7757891 (or 7757883 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 202321155040 its reverse (40551123202), we get a palindrome (242872278242).

The spelling of 202321155040 in words is "two hundred two billion, three hundred twenty-one million, one hundred fifty-five thousand, forty".