2478545652 has 48 divisors (see below), whose sum is σ = 6329034432. Its totient is φ = 748692480.

The previous prime is 2478545647. The next prime is 2478545669. The reversal of 2478545652 is 2565458742.

It is a super-2 number, since 2×2478545652² = 12286377098096210208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 12228 + ... + 71460.

It is an arithmetic number, because the mean of its divisors is an integer number (131854884).

Almost surely, 2^2478545652 is an apocalyptic number.

2478545652 is a gapful number since it is divisible by the number (22) 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 2478545652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3164517216).

2478545652 is an abundant number, since it is smaller than the sum of its proper divisors (3850488780).

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

2478545652 is a wasteful number, since it uses less digits than its factorization.

2478545652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59568 (or 59566 counting only the distinct ones).

The product of its digits is 2688000, while the sum is 48.

The square root of 2478545652 is about 49784.9942452543. The cubic root of 2478545652 is about 1353.3152451065.

The spelling of 2478545652 in words is "two billion, four hundred seventy-eight million, five hundred forty-five thousand, six hundred fifty-two".