40210324645 has 8 divisors (see below), whose sum is σ = 48913381656. Its totient is φ = 31727598336.

The previous prime is 40210324639. The next prime is 40210324673. The reversal of 40210324645 is 54642301204.

It can be written as a sum of positive squares in 4 ways, for example, as 14260658724 + 25949665921 = 119418^2 + 161089^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 40210324645 - 2¹¹ = 40210322597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 55082272 + ... + 55083001.

It is an arithmetic number, because the mean of its divisors is an integer number (6114172707).

Almost surely, 2^40210324645 is an apocalyptic number.

It is an amenable number.

40210324645 is a deficient number, since it is larger than the sum of its proper divisors (8703057011).

40210324645 is a wasteful number, since it uses less digits than its factorization.

40210324645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110165351.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 40210324645 its reverse (54642301204), we get a palindrome (94852625849).

The spelling of 40210324645 in words is "forty billion, two hundred ten million, three hundred twenty-four thousand, six hundred forty-five".