1805048064 has 90 divisors (see below), whose sum is σ = 5382388550. Its totient is φ = 601675776.

The previous prime is 1805048059. The next prime is 1805048093. The reversal of 1805048064 is 4608405081.

1805048064 is a `hidden beast` number, since 18 + 0 + 504 + 80 + 64 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1625702400 + 179345664 = 40320^2 + 13392^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 22789 + ... + 64260.

Almost surely, 2^1805048064 is an apocalyptic number.

It is an amenable number.

1805048064 is an abundant number, since it is smaller than the sum of its proper divisors (3577340486).

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

1805048064 is an frugal number, since it uses more digits than its factorization.

1805048064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87077 (or 87054 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 1805048064 is about 42485.8572233161. The cubic root of 1805048064 is about 1217.5764986430.

The spelling of 1805048064 in words is "one billion, eight hundred five million, forty-eight thousand, sixty-four".