202442244344140 has 48 divisors (see below), whose sum is σ = 425566553352192. Its totient is φ = 80893515980736.

The previous prime is 202442244344059. The next prime is 202442244344149. The reversal of 202442244344140 is 41443442244202.

It is a junction number, because it is equal to n+sod(n) for n = 202442244344093 and 202442244344102.

It is not an unprimeable number, because it can be changed into a prime (202442244344149) 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, 199218579 + ... + 200232181.

It is an arithmetic number, because the mean of its divisors is an integer number (8865969861504).

Almost surely, 2^{202442244344140} is an apocalyptic number.

202442244344140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202442244344140 is an abundant number, since it is smaller than the sum of its proper divisors (223124309008052).

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

202442244344140 is a wasteful number, since it uses less digits than its factorization.

202442244344140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023886 (or 1023884 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 40.

Adding to 202442244344140 its reverse (41443442244202), we get a palindrome (243885686588342).

The spelling of 202442244344140 in words is "two hundred two trillion, four hundred forty-two billion, two hundred forty-four million, three hundred forty-four thousand, one hundred forty".