2478818500 has 48 divisors (see below), whose sum is σ = 5600453040. Its totient is φ = 957331200.

The previous prime is 2478818483. The next prime is 2478818519. The reversal of 2478818500 is 58188742.

It can be written as a sum of positive squares in 8 ways, for example, as 313219204 + 2165599296 = 17698^2 + 46536^2 .

It is a super-2 number, since 2×2478818500² = 12289082311884500000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 70977 + ... + 99976.

It is an arithmetic number, because the mean of its divisors is an integer number (116676105).

Almost surely, 2^2478818500 is an apocalyptic number.

2478818500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2478818500 is an abundant number, since it is smaller than the sum of its proper divisors (3121634540).

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

2478818500 is a wasteful number, since it uses less digits than its factorization.

2478818500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171001 (or 170989 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 43.

The square root of 2478818500 is about 49787.7344332919. The cubic root of 2478818500 is about 1353.3649026962.

The spelling of 2478818500 in words is "two billion, four hundred seventy-eight million, eight hundred eighteen thousand, five hundred".