202042644 has 48 divisors (see below), whose sum is σ = 488580288. Its totient is φ = 64931328.

The previous prime is 202042639. The next prime is 202042651. The reversal of 202042644 is 446240202.

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, 48159 + ... + 52185.

It is an arithmetic number, because the mean of its divisors is an integer number (10178756).

Almost surely, 2^202042644 is an apocalyptic number.

It is an amenable number.

202042644 is an abundant number, since it is smaller than the sum of its proper divisors (286537644).

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

202042644 is a wasteful number, since it uses less digits than its factorization.

202042644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4184 (or 4182 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 202042644 is about 14214.1705350682. The cubic root of 202042644 is about 586.7877170724.

Adding to 202042644 its reverse (446240202), we get a palindrome (648282846).

The spelling of 202042644 in words is "two hundred two million, forty-two thousand, six hundred forty-four".