304240225155 has 8 divisors (see below), whose sum is σ = 486784360272. Its totient is φ = 162261453408.

The previous prime is 304240225147. The next prime is 304240225181. The reversal of 304240225155 is 551522042403.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 304240225155 - 2³ = 304240225147 is a prime.

It is a super-2 number, since 2×304240225155² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10141340824 + ... + 10141340853.

It is an arithmetic number, because the mean of its divisors is an integer number (60848045034).

Almost surely, 2^304240225155 is an apocalyptic number.

304240225155 is a deficient number, since it is larger than the sum of its proper divisors (182544135117).

304240225155 is a wasteful number, since it uses less digits than its factorization.

304240225155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20282681685.

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 304240225155 its reverse (551522042403), we get a palindrome (855762267558).

The spelling of 304240225155 in words is "three hundred four billion, two hundred forty million, two hundred twenty-five thousand, one hundred fifty-five".