1260163404 has 72 divisors (see below), whose sum is σ = 3256448832. Its totient is φ = 410741760.

The previous prime is 1260163397. The next prime is 1260163433. The reversal of 1260163404 is 4043610621.

1260163404 is a `hidden beast` number, since 1 + 26 + 0 + 1 + 634 + 0 + 4 = 666.

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 23 ways as a sum of consecutive naturals, for example, 672589 + ... + 674459.

It is an arithmetic number, because the mean of its divisors is an integer number (45228456).

Almost surely, 2^1260163404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1260163404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1628224416).

1260163404 is an abundant number, since it is smaller than the sum of its proper divisors (1996285428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1260163404 is a wasteful number, since it uses less digits than its factorization.

1260163404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287 (or 2282 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1260163404 is about 35498.7803170757. The cubic root of 1260163404 is about 1080.1289866519.

The spelling of 1260163404 in words is "one billion, two hundred sixty million, one hundred sixty-three thousand, four hundred four".