38640330958 has 16 divisors (see below), whose sum is σ = 58691250000. Its totient is φ = 19077170112.

The previous prime is 38640330943. The next prime is 38640330979. The reversal of 38640330958 is 85903304683.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 15333 + ... + 278416.

It is an arithmetic number, because the mean of its divisors is an integer number (3668203125).

Almost surely, 2^38640330958 is an apocalyptic number.

38640330958 is a deficient number, since it is larger than the sum of its proper divisors (20050919042).

38640330958 is a wasteful number, since it uses less digits than its factorization.

38640330958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294579.

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 38640330958 in words is "thirty-eight billion, six hundred forty million, three hundred thirty thousand, nine hundred fifty-eight".