547109640 has 768 divisors, whose sum is σ = 2490808320. Its totient is φ = 104509440.

The previous prime is 547109609. The next prime is 547109653. The reversal of 547109640 is 46901745.

547109640 is a `hidden beast` number, since 5 + 4 + 7 + 1 + 0 + 9 + 640 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 547109595 and 547109604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 12723459 + ... + 12723501.

It is an arithmetic number, because the mean of its divisors is an integer number (3243240).

Almost surely, 2^547109640 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 547109640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1245404160).

547109640 is an abundant number, since it is smaller than the sum of its proper divisors (1943698680).

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

547109640 is a wasteful number, since it uses less digits than its factorization.

547109640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 547109640 is about 23390.3749435532. The cubic root of 547109640 is about 817.8835167098.

The spelling of 547109640 in words is "five hundred forty-seven million, one hundred nine thousand, six hundred forty".