202041440 has 96 divisors (see below), whose sum is σ = 515017440. Its totient is φ = 74649600.

The previous prime is 202041377. The next prime is 202041451. The reversal of 202041440 is 44140202.

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, 123830 + ... + 125450.

It is an arithmetic number, because the mean of its divisors is an integer number (5364765).

Almost surely, 2^202041440 is an apocalyptic number.

202041440 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 202041440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257508720).

202041440 is an abundant number, since it is smaller than the sum of its proper divisors (312976000).

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

202041440 is a wasteful number, since it uses less digits than its factorization.

202041440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696 (or 1688 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 202041440 is about 14214.1281829031. The cubic root of 202041440 is about 586.7865514871.

Adding to 202041440 its reverse (44140202), we get a palindrome (246181642).

The spelling of 202041440 in words is "two hundred two million, forty-one thousand, four hundred forty".