39974912258 has 18 divisors (see below), whose sum is σ = 61642905723. Its totient is φ = 19442165040.

The previous prime is 39974912183. The next prime is 39974912287. The reversal of 39974912258 is 85221947993.

It can be written as a sum of positive squares in 5 ways, for example, as 39301873009 + 673039249 = 198247^2 + 25943^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=141377.

It is a super-2 number, since 2×39974912258² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 39974912197 and 39974912206.

It is an unprimeable number.

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 in 8 ways as a sum of consecutive naturals, for example, 10459988 + ... + 10463808.

Almost surely, 2^39974912258 is an apocalyptic number.

39974912258 is a deficient number, since it is larger than the sum of its proper divisors (21667993465).

39974912258 is an frugal number, since it uses more digits than its factorization.

39974912258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7718 (or 3860 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 59.

The spelling of 39974912258 in words is "thirty-nine billion, nine hundred seventy-four million, nine hundred twelve thousand, two hundred fifty-eight".