40213336245 has 32 divisors (see below), whose sum is σ = 66681667584. Its totient is φ = 20672520000.

The previous prime is 40213336237. The next prime is 40213336279. The reversal of 40213336245 is 54263331204.

It is a happy number.

It is not a de Polignac number, because 40213336245 - 2³ = 40213336237 is a prime.

It is a super-2 number, since 2×40213336245² (a number of 22 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 55557 + ... + 288986.

It is an arithmetic number, because the mean of its divisors is an integer number (2083802112).

Almost surely, 2^40213336245 is an apocalyptic number.

It is an amenable number.

40213336245 is a deficient number, since it is larger than the sum of its proper divisors (26468331339).

40213336245 is a wasteful number, since it uses less digits than its factorization.

40213336245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344833.

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 40213336245 its reverse (54263331204), we get a palindrome (94476667449).

The spelling of 40213336245 in words is "forty billion, two hundred thirteen million, three hundred thirty-six thousand, two hundred forty-five".