40445040050 has 24 divisors (see below), whose sum is σ = 75235859076. Its totient is φ = 16176277440.

The previous prime is 40445040043. The next prime is 40445040073. The reversal of 40445040050 is 5004054404.

It can be written as a sum of positive squares in 6 ways, for example, as 1489728409 + 38955311641 = 38597^2 + 197371^2 .

It is a super-2 number, since 2×40445040050² (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 (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 491684 + ... + 568016.

Almost surely, 2^40445040050 is an apocalyptic number.

40445040050 is a deficient number, since it is larger than the sum of its proper divisors (34790819026).

40445040050 is a wasteful number, since it uses less digits than its factorization.

40445040050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86942 (or 86937 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

Adding to 40445040050 its reverse (5004054404), we get a palindrome (45449094454).

The spelling of 40445040050 in words is "forty billion, four hundred forty-five million, forty thousand, fifty".