39645750010 has 16 divisors (see below), whose sum is σ = 71366099616. Its totient is φ = 15857466768.

The previous prime is 39645749977. The next prime is 39645750013. The reversal of 39645750010 is 1005754693.

It is not an unprimeable number, because it can be changed into a prime (39645750013) 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 7 ways as a sum of consecutive naturals, for example, 118309 + ... + 305431.

It is an arithmetic number, because the mean of its divisors is an integer number (4460381226).

Almost surely, 2^39645750010 is an apocalyptic number.

39645750010 is a deficient number, since it is larger than the sum of its proper divisors (31720349606).

39645750010 is a wasteful number, since it uses less digits than its factorization.

39645750010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208317.

The product of its (nonzero) digits is 113400, while the sum is 40.

The spelling of 39645750010 in words is "thirty-nine billion, six hundred forty-five million, seven hundred fifty thousand, ten".