302003402240 has 160 divisors (see below), whose sum is σ = 748354977216. Its totient is φ = 116807434240.

The previous prime is 302003402231. The next prime is 302003402243. The reversal of 302003402240 is 42204300203.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302003402243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11847749 + ... + 11873211.

Almost surely, 2^302003402240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 302003402240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374177488608).

302003402240 is an abundant number, since it is smaller than the sum of its proper divisors (446351574976).

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

302003402240 is a wasteful number, since it uses less digits than its factorization.

302003402240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25640 (or 25624 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 302003402240 its reverse (42204300203), we get a palindrome (344207702443).

The spelling of 302003402240 in words is "three hundred two billion, three million, four hundred two thousand, two hundred forty".