40302406682 has 8 divisors (see below), whose sum is σ = 60551591796. Its totient is φ = 20118542752.

The previous prime is 40302406679. The next prime is 40302406691. The reversal of 40302406682 is 28660420304.

It can be written as a sum of positive squares in 2 ways, for example, as 26771831641 + 13530575041 = 163621^2 + 116321^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×40302406682² (a number of 22 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 16328753 + ... + 16331220.

Almost surely, 2^40302406682 is an apocalyptic number.

40302406682 is a deficient number, since it is larger than the sum of its proper divisors (20249185114).

40302406682 is a wasteful number, since it uses less digits than its factorization.

40302406682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32660592.

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 40302406682 its reverse (28660420304), we get a palindrome (68962826986).

The spelling of 40302406682 in words is "forty billion, three hundred two million, four hundred six thousand, six hundred eighty-two".