302040030 has 32 divisors (see below), whose sum is σ = 742579488. Its totient is φ = 78579200.

The previous prime is 302040029. The next prime is 302040043. The reversal of 302040030 is 30040203.

It is a junction number, because it is equal to n+sod(n) for n = 302039988 and 302040015.

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, 121551 + ... + 124010.

It is an arithmetic number, because the mean of its divisors is an integer number (23205609).

Almost surely, 2^302040030 is an apocalyptic number.

302040030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

302040030 is an abundant number, since it is smaller than the sum of its proper divisors (440539458).

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

302040030 is a wasteful number, since it uses less digits than its factorization.

302040030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245612.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 302040030 is about 17379.2988926481. The cubic root of 302040030 is about 670.9469271865.

Adding to 302040030 its reverse (30040203), we get a palindrome (332080233).

The spelling of 302040030 in words is "three hundred two million, forty thousand, thirty".