5605903780 has 24 divisors (see below), whose sum is σ = 11799604152. Its totient is φ = 2237179392.

The previous prime is 5605903727. The next prime is 5605903789. The reversal of 5605903780 is 873095065.

It can be written as a sum of positive squares in 4 ways, for example, as 81252196 + 5524651584 = 9014^2 + 74328^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (5605903789) 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, 315007 + ... + 332326.

It is an arithmetic number, because the mean of its divisors is an integer number (491650173).

Almost surely, 2^5605903780 is an apocalyptic number.

It is an amenable number.

5605903780 is an abundant number, since it is smaller than the sum of its proper divisors (6193700372).

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

5605903780 is a wasteful number, since it uses less digits than its factorization.

5605903780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647775 (or 647773 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 5605903780 is about 74872.5836337975. The cubic root of 5605903780 is about 1776.4318307292.

The spelling of 5605903780 in words is "five billion, six hundred five million, nine hundred three thousand, seven hundred eighty".