304878480 has 40 divisors (see below), whose sum is σ = 945124032. Its totient is φ = 81300864.

The previous prime is 304878467. The next prime is 304878487. The reversal of 304878480 is 84878403.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×304878480² = 185901775134220800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (304878487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 634924 + ... + 635403.

Almost surely, 2^304878480 is an apocalyptic number.

304878480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

304878480 is an abundant number, since it is smaller than the sum of its proper divisors (640245552).

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

304878480 is a wasteful number, since it uses less digits than its factorization.

304878480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270343 (or 1270337 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 42.

The square root of 304878480 is about 17460.7697424827. The cubic root of 304878480 is about 673.0421400960.

The spelling of 304878480 in words is "three hundred four million, eight hundred seventy-eight thousand, four hundred eighty".