4089212520 has 64 divisors (see below), whose sum is σ = 12274899840. Its totient is φ = 1089811200.

The previous prime is 4089212507. The next prime is 4089212539. The reversal of 4089212520 is 252129804.

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, 214165 + ... + 232475.

It is an arithmetic number, because the mean of its divisors is an integer number (191795310).

Almost surely, 2^4089212520 is an apocalyptic number.

4089212520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4089212520 is an abundant number, since it is smaller than the sum of its proper divisors (8185687320).

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

4089212520 is a wasteful number, since it uses less digits than its factorization.

4089212520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20186 (or 20182 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 4089212520 is about 63946.9508264468. The cubic root of 4089212520 is about 1599.1157249177.

The spelling of 4089212520 in words is "four billion, eighty-nine million, two hundred twelve thousand, five hundred twenty".