43401341242 has 36 divisors (see below), whose sum is σ = 79926595290. Its totient is φ = 17621582832.

The previous prime is 43401341237. The next prime is 43401341279. The reversal of 43401341242 is 24214310434.

It can be written as a sum of positive squares in only one way, i.e., 43213678641 + 187662601 = 207879^2 + 13699^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43401341242.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 578017 + ... + 648772.

Almost surely, 2^43401341242 is an apocalyptic number.

43401341242 is a deficient number, since it is larger than the sum of its proper divisors (36525254048).

43401341242 is a wasteful number, since it uses less digits than its factorization.

43401341242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226843 (or 1226817 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 43401341242 its reverse (24214310434), we get a palindrome (67615651676).

The spelling of 43401341242 in words is "forty-three billion, four hundred one million, three hundred forty-one thousand, two hundred forty-two".