39976663390 has 16 divisors (see below), whose sum is σ = 71989776432. Its totient is φ = 15983602624.

The previous prime is 39976663381. The next prime is 39976663483. The reversal of 39976663390 is 9336667993.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 859039 + ... + 904378.

It is an arithmetic number, because the mean of its divisors is an integer number (4499361027).

Almost surely, 2^39976663390 is an apocalyptic number.

39976663390 is a deficient number, since it is larger than the sum of its proper divisors (32013113042).

39976663390 is a wasteful number, since it uses less digits than its factorization.

39976663390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765691.

The product of its (nonzero) digits is 29760696, while the sum is 61.

The spelling of 39976663390 in words is "thirty-nine billion, nine hundred seventy-six million, six hundred sixty-three thousand, three hundred ninety".