39706280869264 has 45 divisors (see below), whose sum is σ = 77229130223649. Its totient is φ = 19776478916160.

The previous prime is 39706280869253. The next prime is 39706280869303. The reversal of 39706280869264 is 46296808260793.

The square root of 39706280869264 is 6301292.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 27583293920400 + 12122986948864 = 5251980^2 + 3481808^2 .

It is a super-2 number, since 2×39706280869264² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39706280869193 and 39706280869202.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6830597622 + ... + 6830603434.

Almost surely, 2^{39706280869264} is an apocalyptic number.

39706280869264 is the 6301292-nd square number.

It is an amenable number.

39706280869264 is a deficient number, since it is larger than the sum of its proper divisors (37522849354385).

39706280869264 is an frugal number, since it uses more digits than its factorization.

39706280869264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12176 (or 6086 counting only the distinct ones).

The product of its (nonzero) digits is 376233984, while the sum is 70.

The spelling of 39706280869264 in words is "thirty-nine trillion, seven hundred six billion, two hundred eighty million, eight hundred sixty-nine thousand, two hundred sixty-four".