5509273940 has 24 divisors (see below), whose sum is σ = 11581655400. Its totient is φ = 2201389568.

The previous prime is 5509273919. The next prime is 5509273943. The reversal of 5509273940 is 493729055.

It can be written as a sum of positive squares in 4 ways, for example, as 277355716 + 5231918224 = 16654^2 + 72332^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5509273891 and 5509273900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5509273943) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 125465 + ... + 163584.

It is an arithmetic number, because the mean of its divisors is an integer number (482568975).

Almost surely, 2^5509273940 is an apocalyptic number.

It is an amenable number.

5509273940 is an abundant number, since it is smaller than the sum of its proper divisors (6072381460).

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

5509273940 is a wasteful number, since it uses less digits than its factorization.

5509273940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290011 (or 290009 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 44.

The square root of 5509273940 is about 74224.4834269663. The cubic root of 5509273940 is about 1766.1657389958.

The spelling of 5509273940 in words is "five billion, five hundred nine million, two hundred seventy-three thousand, nine hundred forty".