302040252 has 36 divisors (see below), whose sum is σ = 791770616. Its totient is φ = 100679760.

The previous prime is 302040229. The next prime is 302040253. The reversal of 302040252 is 252040203.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302040253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154399 + ... + 156342.

Almost surely, 2^302040252 is an apocalyptic number.

It is an amenable number.

302040252 is an abundant number, since it is smaller than the sum of its proper divisors (489730364).

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

302040252 is a wasteful number, since it uses less digits than its factorization.

302040252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310760 (or 310746 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 302040252 is about 17379.3052795559. The cubic root of 302040252 is about 670.9470915689.

Adding to 302040252 its reverse (252040203), we get a palindrome (554080455).

The spelling of 302040252 in words is "three hundred two million, forty thousand, two hundred fifty-two".