39740424968 has 8 divisors (see below), whose sum is σ = 74513296830. Its totient is φ = 19870212480.

The previous prime is 39740424961. The next prime is 39740425009. The reversal of 39740424968 is 86942404793.

It can be written as a sum of positive squares in only one way, i.e., 39514283524 + 226141444 = 198782^2 + 15038^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×39740424968³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (39740424961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2483776553 + ... + 2483776568.

Almost surely, 2^39740424968 is an apocalyptic number.

It is an amenable number.

39740424968 is a deficient number, since it is larger than the sum of its proper divisors (34772871862).

39740424968 is a wasteful number, since it uses less digits than its factorization.

39740424968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4967553127 (or 4967553123 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 56.

The spelling of 39740424968 in words is "thirty-nine billion, seven hundred forty million, four hundred twenty-four thousand, nine hundred sixty-eight".