43421365460 has 36 divisors (see below), whose sum is σ = 100228000404. Its totient is φ = 15789586560.

The previous prime is 43421365457. The next prime is 43421365469. The reversal of 43421365460 is 6456312434.

It can be written as a sum of positive squares in 2 ways, for example, as 11398978756 + 32022386704 = 106766^2 + 178948^2 .

It is a super-3 number, since 3×43421365460³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43421365469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8968937 + ... + 8973776.

Almost surely, 2^43421365460 is an apocalyptic number.

It is an amenable number.

43421365460 is an abundant number, since it is smaller than the sum of its proper divisors (56806634944).

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

43421365460 is a wasteful number, since it uses less digits than its factorization.

43421365460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17942744 (or 17942731 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

Adding to 43421365460 its reverse (6456312434), we get a palindrome (49877677894).

The spelling of 43421365460 in words is "forty-three billion, four hundred twenty-one million, three hundred sixty-five thousand, four hundred sixty".