39946483690 has 64 divisors (see below), whose sum is σ = 76714957440. Its totient is φ = 14933617920.

The previous prime is 39946483663. The next prime is 39946483691. The reversal of 39946483690 is 9638464993.

It is a super-2 number, since 2×39946483690² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39946483691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4301332 + ... + 4310608.

It is an arithmetic number, because the mean of its divisors is an integer number (1198671210).

Almost surely, 2^39946483690 is an apocalyptic number.

39946483690 is a deficient number, since it is larger than the sum of its proper divisors (36768473750).

39946483690 is a wasteful number, since it uses less digits than its factorization.

39946483690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9607.

The product of its (nonzero) digits is 30233088, while the sum is 61.

The spelling of 39946483690 in words is "thirty-nine billion, nine hundred forty-six million, four hundred eighty-three thousand, six hundred ninety".