2478316532 has 12 divisors (see below), whose sum is σ = 4340396676. Its totient is φ = 1238203200.

The previous prime is 2478316469. The next prime is 2478316537. The reversal of 2478316532 is 2356138742.

It can be written as a sum of positive squares in 2 ways, for example, as 734084836 + 1744231696 = 27094^2 + 41764^2 .

It is a super-2 number, since 2×2478316532² = 12284105665569014048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2478316532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2478316537) 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 3 ways as a sum of consecutive naturals, for example, 232913 + ... + 243320.

It is an arithmetic number, because the mean of its divisors is an integer number (361699723).

Almost surely, 2^2478316532 is an apocalyptic number.

It is an amenable number.

2478316532 is a deficient number, since it is larger than the sum of its proper divisors (1862080144).

2478316532 is a wasteful number, since it uses less digits than its factorization.

2478316532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477538 (or 477536 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 2478316532 is about 49782.6930970995. The cubic root of 2478316532 is about 1353.2735430780.

The spelling of 2478316532 in words is "two billion, four hundred seventy-eight million, three hundred sixteen thousand, five hundred thirty-two".