39204427445 has 8 divisors (see below), whose sum is σ = 47069169336. Its totient is φ = 31347637696.

The previous prime is 39204427441. The next prime is 39204427469. The reversal of 39204427445 is 54472440293.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 325658116 + 38878769329 = 18046^2 + 197177^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39204427445 - 2² = 39204427441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 39204427396 and 39204427405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39204427441) 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, 1977182 + ... + 1996911.

It is an arithmetic number, because the mean of its divisors is an integer number (5883646167).

Almost surely, 2^39204427445 is an apocalyptic number.

It is an amenable number.

39204427445 is a deficient number, since it is larger than the sum of its proper divisors (7864741891).

39204427445 is a wasteful number, since it uses less digits than its factorization.

39204427445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3976071.

The product of its (nonzero) digits is 967680, while the sum is 44.

The spelling of 39204427445 in words is "thirty-nine billion, two hundred four million, four hundred twenty-seven thousand, four hundred forty-five".