202425440 has 96 divisors (see below), whose sum is σ = 550670400. Its totient is φ = 68880384.

The previous prime is 202425439. The next prime is 202425451. The reversal of 202425440 is 44524202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166274 + ... + 167486.

It is an arithmetic number, because the mean of its divisors is an integer number (5736150).

Almost surely, 2^202425440 is an apocalyptic number.

202425440 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 202425440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275335200).

202425440 is an abundant number, since it is smaller than the sum of its proper divisors (348244960).

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

202425440 is a wasteful number, since it uses less digits than its factorization.

202425440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384 (or 1376 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 202425440 is about 14227.6294582056. The cubic root of 202425440 is about 587.1580650980.

Adding to 202425440 its reverse (44524202), we get a palindrome (246949642).

The spelling of 202425440 in words is "two hundred two million, four hundred twenty-five thousand, four hundred forty".