2478234428 has 12 divisors (see below), whose sum is σ = 4340441952. Its totient is φ = 1238108160.

The previous prime is 2478234427. The next prime is 2478234431. The reversal of 2478234428 is 8244328742.

It is a super-2 number, since 2×2478234428² = 12283291760248974368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2478234427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246725 + ... + 256572.

It is an arithmetic number, because the mean of its divisors is an integer number (361703496).

Almost surely, 2^2478234428 is an apocalyptic number.

It is an amenable number.

2478234428 is a deficient number, since it is larger than the sum of its proper divisors (1862207524).

2478234428 is a wasteful number, since it uses less digits than its factorization.

2478234428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504532 (or 504530 counting only the distinct ones).

The product of its digits is 688128, while the sum is 44.

The square root of 2478234428 is about 49781.8684663402. The cubic root of 2478234428 is about 1353.2585987403.

The spelling of 2478234428 in words is "two billion, four hundred seventy-eight million, two hundred thirty-four thousand, four hundred twenty-eight".