40300043634 has 24 divisors (see below), whose sum is σ = 92453041980. Its totient is φ = 12643150848.

The previous prime is 40300043627. The next prime is 40300043677. The reversal of 40300043634 is 43634000304.

It can be written as a sum of positive squares in 2 ways, for example, as 37995755625 + 2304288009 = 194925^2 + 48003^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40300043598 and 40300043607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65849439 + ... + 65850050.

Almost surely, 2^40300043634 is an apocalyptic number.

40300043634 is an abundant number, since it is smaller than the sum of its proper divisors (52152998346).

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

40300043634 is a wasteful number, since it uses less digits than its factorization.

40300043634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131699514 (or 131699511 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 40300043634 its reverse (43634000304), we get a palindrome (83934043938).

The spelling of 40300043634 in words is "forty billion, three hundred million, forty-three thousand, six hundred thirty-four".