43042464 has 72 divisors (see below), whose sum is σ = 123675552. Its totient is φ = 14198400.

The previous prime is 43042457. The next prime is 43042471. The reversal of 43042464 is 46424034.

It is an interprime number because it is at equal distance from previous prime (43042457) and next prime (43042471).

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28939 + ... + 30389.

It is an arithmetic number, because the mean of its divisors is an integer number (1717716).

Almost surely, 2^43042464 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 43042464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61837776).

43042464 is an abundant number, since it is smaller than the sum of its proper divisors (80633088).

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

43042464 is a wasteful number, since it uses less digits than its factorization.

43042464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570 (or 1559 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 43042464 is about 6560.6755749694. The cubic root of 43042464 is about 350.4550923571.

Adding to 43042464 its reverse (46424034), we get a palindrome (89466498).

The spelling of 43042464 in words is "forty-three million, forty-two thousand, four hundred sixty-four".