425544512 has 56 divisors (see below), whose sum is σ = 873203232. Its totient is φ = 205632000.

The previous prime is 425544503. The next prime is 425544571. The reversal of 425544512 is 215445524.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277187 + ... + 278717.

Almost surely, 2^425544512 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 425544512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (436601616).

425544512 is an abundant number, since it is smaller than the sum of its proper divisors (447658720).

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

425544512 is a wasteful number, since it uses less digits than its factorization.

425544512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687 (or 1677 counting only the distinct ones).

The product of its digits is 32000, while the sum is 32.

The square root of 425544512 is about 20628.7302566106. The cubic root of 425544512 is about 752.1682511714.

The spelling of 425544512 in words is "four hundred twenty-five million, five hundred forty-four thousand, five hundred twelve".