1560408004 has 9 divisors (see below), whose sum is σ = 2730852271. Its totient is φ = 780164500.

The previous prime is 1560408001. The next prime is 1560408011. The reversal of 1560408004 is 4008040651.

The square root of 1560408004 is 39502.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1560408001) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 69129 + ... + 88879.

Almost surely, 2^1560408004 is an apocalyptic number.

1560408004 is the 39502-nd square number.

It is an amenable number.

1560408004 is a deficient number, since it is larger than the sum of its proper divisors (1170444267).

1560408004 is an frugal number, since it uses more digits than its factorization.

1560408004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39506 (or 19753 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The cubic root of 1560408004 is about 1159.8791005588.

Adding to 1560408004 its reverse (4008040651), we get a palindrome (5568448655).

The spelling of 1560408004 in words is "one billion, five hundred sixty million, four hundred eight thousand, four".