424625520416 has 48 divisors (see below), whose sum is σ = 853620083064. Its totient is φ = 207850665984.

The previous prime is 424625520359. The next prime is 424625520439. The reversal of 424625520416 is 614025526424.

It can be written as a sum of positive squares in 4 ways, for example, as 420656016400 + 3969504016 = 648580^2 + 63004^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501146 + ... + 1048998.

Almost surely, 2^424625520416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424625520416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426810041532).

424625520416 is an abundant number, since it is smaller than the sum of its proper divisors (428994562648).

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

424625520416 is a wasteful number, since it uses less digits than its factorization.

424625520416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548373 (or 548365 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 424625520416 in words is "four hundred twenty-four billion, six hundred twenty-five million, five hundred twenty thousand, four hundred sixteen".