2478183480 has 96 divisors (see below), whose sum is σ = 8100855360. Its totient is φ = 657012480.

The previous prime is 2478183467. The next prime is 2478183527. The reversal of 2478183480 is 843818742.

2478183480 is a `hidden beast` number, since 24 + 78 + 1 + 83 + 480 = 666.

It is a super-2 number, since 2×2478183480² = 12282786721089820800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42385 + ... + 82175.

It is an arithmetic number, because the mean of its divisors is an integer number (84383910).

Almost surely, 2^2478183480 is an apocalyptic number.

2478183480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2478183480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4050427680).

2478183480 is an abundant number, since it is smaller than the sum of its proper divisors (5622671880).

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

2478183480 is a wasteful number, since it uses less digits than its factorization.

2478183480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39981 (or 39974 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 2478183480 is about 49781.3567512980. The cubic root of 2478183480 is about 1353.2493251635.

The spelling of 2478183480 in words is "two billion, four hundred seventy-eight million, one hundred eighty-three thousand, four hundred eighty".