39690616368 has 40 divisors (see below), whose sum is σ = 110421331888. Its totient is φ = 12212497152.

The previous prime is 39690616367. The next prime is 39690616403. The reversal of 39690616368 is 86361609693.

It is a super-2 number, since 2×39690616368² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39690616367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31802755 + ... + 31804002.

Almost surely, 2^39690616368 is an apocalyptic number.

It is an amenable number.

39690616368 is an abundant number, since it is smaller than the sum of its proper divisors (70730715520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39690616368 is a wasteful number, since it uses less digits than its factorization.

39690616368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63606781 (or 63606775 counting only the distinct ones).

The product of its (nonzero) digits is 7558272, while the sum is 57.

The spelling of 39690616368 in words is "thirty-nine billion, six hundred ninety million, six hundred sixteen thousand, three hundred sixty-eight".