43251374742 has 32 divisors (see below), whose sum is σ = 90289963008. Its totient is φ = 13786286976.

The previous prime is 43251374741. The next prime is 43251374801. The reversal of 43251374742 is 24747315234.

It is a junction number, because it is equal to n+sod(n) for n = 43251374694 and 43251374703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43251374741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 450718 + ... + 538190.

It is an arithmetic number, because the mean of its divisors is an integer number (2821561344).

Almost surely, 2^43251374742 is an apocalyptic number.

43251374742 is an abundant number, since it is smaller than the sum of its proper divisors (47038588266).

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

43251374742 is a wasteful number, since it uses less digits than its factorization.

43251374742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91084.

The product of its digits is 564480, while the sum is 42.

Adding to 43251374742 its reverse (24747315234), we get a palindrome (67998689976).

The spelling of 43251374742 in words is "forty-three billion, two hundred fifty-one million, three hundred seventy-four thousand, seven hundred forty-two".