425047824 has 90 divisors (see below), whose sum is σ = 1235537550. Its totient is φ = 141647616.

The previous prime is 425047813. The next prime is 425047849. The reversal of 425047824 is 428740524.

It can be written as a sum of positive squares in only one way, i.e., 317552400 + 107495424 = 17820^2 + 10368^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 102952 + ... + 107000.

It is an arithmetic number, because the mean of its divisors is an integer number (13728195).

Almost surely, 2^425047824 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 425047824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (617768775).

425047824 is an abundant number, since it is smaller than the sum of its proper divisors (810489726).

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

425047824 is an frugal number, since it uses more digits than its factorization.

425047824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4081 (or 4054 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The square root of 425047824 is about 20616.6879978332. The cubic root of 425047824 is about 751.8754980998.

The spelling of 425047824 in words is "four hundred twenty-five million, forty-seven thousand, eight hundred twenty-four".