39621572562052 has 48 divisors (see below), whose sum is σ = 74806773303472. Its totient is φ = 18253738229760.

The previous prime is 39621572562017. The next prime is 39621572562079. The reversal of 39621572562052 is 25026527512693.

It can be written as a sum of positive squares in 8 ways, for example, as 15648543518976 + 23973029043076 = 3955824^2 + 4896226^2 .

It is a junction number, because it is equal to n+sod(n) for n = 39621572561984 and 39621572562002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439603552 + ... + 439693672.

Almost surely, 2^{39621572562052} is an apocalyptic number.

It is an amenable number.

39621572562052 is a deficient number, since it is larger than the sum of its proper divisors (35185200741420).

39621572562052 is a wasteful number, since it uses less digits than its factorization.

39621572562052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105368 (or 105366 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 55.

The spelling of 39621572562052 in words is "thirty-nine trillion, six hundred twenty-one billion, five hundred seventy-two million, five hundred sixty-two thousand, fifty-two".