40205206324 has 6 divisors (see below), whose sum is σ = 70359111074. Its totient is φ = 20102603160.

The previous prime is 40205206319. The next prime is 40205206331. The reversal of 40205206324 is 42360250204.

It can be written as a sum of positive squares in only one way, i.e., 40184211600 + 20994724 = 200460^2 + 4582^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40205206292 and 40205206301.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 5025650787 + ... + 5025650794.

Almost surely, 2^40205206324 is an apocalyptic number.

It is an amenable number.

40205206324 is a deficient number, since it is larger than the sum of its proper divisors (30153904750).

40205206324 is a wasteful number, since it uses less digits than its factorization.

40205206324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10051301585 (or 10051301583 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 40205206324 its reverse (42360250204), we get a palindrome (82565456528).

The spelling of 40205206324 in words is "forty billion, two hundred five million, two hundred six thousand, three hundred twenty-four".