43040242635 has 32 divisors (see below), whose sum is σ = 74703021120. Its totient is φ = 21034364928.

The previous prime is 43040242607. The next prime is 43040242667. The reversal of 43040242635 is 53624204034.

It is not a de Polignac number, because 43040242635 - 2⁶ = 43040242571 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43040242596 and 43040242605.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 778830 + ... + 832259.

It is an arithmetic number, because the mean of its divisors is an integer number (2334469410).

Almost surely, 2^43040242635 is an apocalyptic number.

43040242635 is a deficient number, since it is larger than the sum of its proper divisors (31662778485).

43040242635 is a wasteful number, since it uses less digits than its factorization.

43040242635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611247.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 43040242635 its reverse (53624204034), we get a palindrome (96664446669).

The spelling of 43040242635 in words is "forty-three billion, forty million, two hundred forty-two thousand, six hundred thirty-five".