43004315452 has 48 divisors (see below), whose sum is σ = 88487508928. Its totient is φ = 17900974080.

The previous prime is 43004315449. The next prime is 43004315461. The reversal of 43004315452 is 25451340034.

It is a super-2 number, since 2×43004315452² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 561802 + ... + 633742.

Almost surely, 2^43004315452 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 43004315452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44243754464).

43004315452 is an abundant number, since it is smaller than the sum of its proper divisors (45483193476).

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

43004315452 is a wasteful number, since it uses less digits than its factorization.

43004315452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72566 (or 72564 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 43004315452 its reverse (25451340034), we get a palindrome (68455655486).

The spelling of 43004315452 in words is "forty-three billion, four million, three hundred fifteen thousand, four hundred fifty-two".