2470581640 has 32 divisors (see below), whose sum is σ = 5560632000. Its totient is φ = 987908544.

The previous prime is 2470581623. The next prime is 2470581643. The reversal of 2470581640 is 461850742.

It is a super-2 number, since 2×2470581640² = 12207547279810179200, 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 2470581640.

It is not an unprimeable number, because it can be changed into a prime (2470581643) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 141301 + ... + 157819.

It is an arithmetic number, because the mean of its divisors is an integer number (173769750).

Almost surely, 2^2470581640 is an apocalyptic number.

2470581640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2470581640 is an abundant number, since it is smaller than the sum of its proper divisors (3090050360).

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

2470581640 is a wasteful number, since it uses less digits than its factorization.

2470581640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20269 (or 20265 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 2470581640 is about 49704.9458303698. The cubic root of 2470581640 is about 1351.8642082612.

The spelling of 2470581640 in words is "two billion, four hundred seventy million, five hundred eighty-one thousand, six hundred forty".