202138946840848 has 80 divisors (see below), whose sum is σ = 415535959552000. Its totient is φ = 94989515826816.

The previous prime is 202138946840827. The next prime is 202138946840849. The reversal of 202138946840848 is 848048649831202.

It is not an unprimeable number, because it can be changed into a prime (202138946840849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54271273 + ... + 57876151.

It is an arithmetic number, because the mean of its divisors is an integer number (5194199494400).

Almost surely, 2^{202138946840848} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202138946840848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207767979776000).

202138946840848 is an abundant number, since it is smaller than the sum of its proper divisors (213397012711152).

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

202138946840848 is a wasteful number, since it uses less digits than its factorization.

202138946840848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3606372 (or 3606366 counting only the distinct ones).

The product of its (nonzero) digits is 169869312, while the sum is 67.

The spelling of 202138946840848 in words is "two hundred two trillion, one hundred thirty-eight billion, nine hundred forty-six million, eight hundred forty thousand, eight hundred forty-eight".