2520456830 has 8 divisors (see below), whose sum is σ = 4536822312. Its totient is φ = 1008182728.

The previous prime is 2520456811. The next prime is 2520456833. The reversal of 2520456830 is 386540252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520456833) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 126022832 + ... + 126022851.

It is an arithmetic number, because the mean of its divisors is an integer number (567102789).

Almost surely, 2^2520456830 is an apocalyptic number.

2520456830 is a deficient number, since it is larger than the sum of its proper divisors (2016365482).

2520456830 is a wasteful number, since it uses less digits than its factorization.

2520456830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252045690.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 2520456830 is about 50204.1515215624. The cubic root of 2520456830 is about 1360.9006487355.

The spelling of 2520456830 in words is "two billion, five hundred twenty million, four hundred fifty-six thousand, eight hundred thirty".