403425612 has 144 divisors (see below), whose sum is σ = 1125109440. Its totient is φ = 121465344.

The previous prime is 403425611. The next prime is 403425647. The reversal of 403425612 is 216524304.

403425612 is a `hidden beast` number, since 4 + 0 + 3 + 42 + 5 + 612 = 666.

It is not an unprimeable number, because it can be changed into a prime (403425611) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1272478 + ... + 1272794.

It is an arithmetic number, because the mean of its divisors is an integer number (7813260).

Almost surely, 2^403425612 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 403425612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (562554720).

403425612 is an abundant number, since it is smaller than the sum of its proper divisors (721683828).

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

403425612 is a wasteful number, since it uses less digits than its factorization.

403425612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 403425612 is about 20085.4577244334. The cubic root of 403425612 is about 738.9036675189.

Adding to 403425612 its reverse (216524304), we get a palindrome (619949916).

It can be divided in two parts, 40342 and 5612, that added together give a palindrome (45954).

The spelling of 403425612 in words is "four hundred three million, four hundred twenty-five thousand, six hundred twelve".