40381737045 has 32 divisors (see below), whose sum is σ = 69693456000. Its totient is φ = 19848063744.

The previous prime is 40381737041. The next prime is 40381737047. The reversal of 40381737045 is 54073718304.

It is not a de Polignac number, because 40381737045 - 2² = 40381737041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40381736988 and 40381737006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40381737041) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 46570 + ... + 287979.

It is an arithmetic number, because the mean of its divisors is an integer number (2177920500).

Almost surely, 2^40381737045 is an apocalyptic number.

It is an amenable number.

40381737045 is a deficient number, since it is larger than the sum of its proper divisors (29311718955).

40381737045 is a wasteful number, since it uses less digits than its factorization.

40381737045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335189.

The product of its (nonzero) digits is 282240, while the sum is 42.

The spelling of 40381737045 in words is "forty billion, three hundred eighty-one million, seven hundred thirty-seven thousand, forty-five".