2520781148 has 48 divisors (see below), whose sum is σ = 4924190880. Its totient is φ = 1122103296.

The previous prime is 2520781079. The next prime is 2520781171. The reversal of 2520781148 is 8411870252.

It is a super-2 number, since 2×2520781148² = 12708675192224395808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1261286 + ... + 1263282.

It is an arithmetic number, because the mean of its divisors is an integer number (102587310).

Almost surely, 2^2520781148 is an apocalyptic number.

It is an amenable number.

2520781148 is a deficient number, since it is larger than the sum of its proper divisors (2403409732).

2520781148 is a wasteful number, since it uses less digits than its factorization.

2520781148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3014 (or 3012 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 38.

The square root of 2520781148 is about 50207.3814095099. The cubic root of 2520781148 is about 1360.9590172082.

The spelling of 2520781148 in words is "two billion, five hundred twenty million, seven hundred eighty-one thousand, one hundred forty-eight".