202442314440 has 128 divisors (see below), whose sum is σ = 628265963520. Its totient is φ = 52130860800.

The previous prime is 202442314439. The next prime is 202442314441. The reversal of 202442314440 is 44413244202.

It is an interprime number because it is at equal distance from previous prime (202442314439) and next prime (202442314441).

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 = 202442314398 and 202442314407.

It is not an unprimeable number, because it can be changed into a prime (202442314441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1678975 + ... + 1795505.

It is an arithmetic number, because the mean of its divisors is an integer number (4908327840).

Almost surely, 2^202442314440 is an apocalyptic number.

202442314440 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 202442314440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314132981760).

202442314440 is an abundant number, since it is smaller than the sum of its proper divisors (425823649080).

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

202442314440 is a wasteful number, since it uses less digits than its factorization.

202442314440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117043 (or 117039 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 202442314440 its reverse (44413244202), we get a palindrome (246855558642).

The spelling of 202442314440 in words is "two hundred two billion, four hundred forty-two million, three hundred fourteen thousand, four hundred forty".