2478428628 has 96 divisors (see below), whose sum is σ = 6695485440. Its totient is φ = 707045760.

The previous prime is 2478428627. The next prime is 2478428633. The reversal of 2478428628 is 8268248742.

It is a super-2 number, since 2×2478428628² = 12285216928179924768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2478428627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130413 + ... + 148203.

It is an arithmetic number, because the mean of its divisors is an integer number (69744640).

Almost surely, 2^2478428628 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 2478428628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3347742720).

2478428628 is an abundant number, since it is smaller than the sum of its proper divisors (4217056812).

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

2478428628 is a wasteful number, since it uses less digits than its factorization.

2478428628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17877 (or 17875 counting only the distinct ones).

The product of its digits is 2752512, while the sum is 51.

The square root of 2478428628 is about 49783.8189374821. The cubic root of 2478428628 is about 1353.2939459418.

The spelling of 2478428628 in words is "two billion, four hundred seventy-eight million, four hundred twenty-eight thousand, six hundred twenty-eight".