43020312144 has 80 divisors (see below), whose sum is σ = 112447802880. Its totient is φ = 14171470720.

The previous prime is 43020312133. The next prime is 43020312157. The reversal of 43020312144 is 44121302034.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 2141989 + ... + 2161979.

It is an arithmetic number, because the mean of its divisors is an integer number (1405597536).

Almost surely, 2^43020312144 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 43020312144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56223901440).

43020312144 is an abundant number, since it is smaller than the sum of its proper divisors (69427490736).

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

43020312144 is a wasteful number, since it uses less digits than its factorization.

43020312144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20528 (or 20522 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 43020312144 its reverse (44121302034), we get a palindrome (87141614178).

The spelling of 43020312144 in words is "forty-three billion, twenty million, three hundred twelve thousand, one hundred forty-four".