202423067040 has 192 divisors, whose sum is σ = 661592655360. Its totient is φ = 51962265600.

The previous prime is 202423066973. The next prime is 202423067047. The reversal of 202423067040 is 40760324202.

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 = 202423066989 and 202423067007.

It is not an unprimeable number, because it can be changed into a prime (202423067047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4669465 + ... + 4712615.

It is an arithmetic number, because the mean of its divisors is an integer number (3445795080).

Almost surely, 2^202423067040 is an apocalyptic number.

202423067040 is a gapful number since it is divisible by the number (20) 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 202423067040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330796327680).

202423067040 is an abundant number, since it is smaller than the sum of its proper divisors (459169588320).

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

202423067040 is a wasteful number, since it uses less digits than its factorization.

202423067040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43535 (or 43527 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The spelling of 202423067040 in words is "two hundred two billion, four hundred twenty-three million, sixty-seven thousand, forty".