4245421332 has 48 divisors (see below), whose sum is σ = 10432376640. Its totient is φ = 1340013312.

The previous prime is 4245421289. The next prime is 4245421363. The reversal of 4245421332 is 2331245424.

It is a self number, because there is not a number n which added to its sum of digits gives 4245421332.

It is a congruent number.

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, 739738 + ... + 745454.

It is an arithmetic number, because the mean of its divisors is an integer number (217341180).

Almost surely, 2^4245421332 is an apocalyptic number.

It is an amenable number.

4245421332 is an abundant number, since it is smaller than the sum of its proper divisors (6186955308).

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

4245421332 is a wasteful number, since it uses less digits than its factorization.

4245421332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9000 (or 8998 counting only the distinct ones).

The product of its digits is 23040, while the sum is 30.

The square root of 4245421332 is about 65156.8978082904. The cubic root of 4245421332 is about 1619.2240011559.

Adding to 4245421332 its reverse (2331245424), we get a palindrome (6576666756).

The spelling of 4245421332 in words is "four billion, two hundred forty-five million, four hundred twenty-one thousand, three hundred thirty-two".