43134254240 has 144 divisors (see below), whose sum is σ = 128012887296. Its totient is φ = 13444400640.

The previous prime is 43134254239. The next prime is 43134254269. The reversal of 43134254240 is 4245243134.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 43134254197 and 43134254206.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23624 + ... + 294663.

It is an arithmetic number, because the mean of its divisors is an integer number (888978384).

Almost surely, 2^43134254240 is an apocalyptic number.

43134254240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43134254240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64006443648).

43134254240 is an abundant number, since it is smaller than the sum of its proper divisors (84878633056).

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

43134254240 is a wasteful number, since it uses less digits than its factorization.

43134254240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318331 (or 318312 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 43134254240 its reverse (4245243134), we get a palindrome (47379497374).

The spelling of 43134254240 in words is "forty-three billion, one hundred thirty-four million, two hundred fifty-four thousand, two hundred forty".