202132343040 has 144 divisors (see below), whose sum is σ = 646978391808. Its totient is φ = 53783543808.

The previous prime is 202132343033. The next prime is 202132343041. The reversal of 202132343040 is 40343231202.

202132343040 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 202132343040.

It is not an unprimeable number, because it can be changed into a prime (202132343041) 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, 1697289 + ... + 1812471.

Almost surely, 2^202132343040 is an apocalyptic number.

202132343040 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 202132343040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323489195904).

202132343040 is an abundant number, since it is smaller than the sum of its proper divisors (444846048768).

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

202132343040 is a wasteful number, since it uses less digits than its factorization.

202132343040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115664 (or 115650 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 202132343040 its reverse (40343231202), we get a palindrome (242475574242).

The spelling of 202132343040 in words is "two hundred two billion, one hundred thirty-two million, three hundred forty-three thousand, forty".