675543440 has 80 divisors (see below), whose sum is σ = 1845256896. Its totient is φ = 226752000.

The previous prime is 675543439. The next prime is 675543469. The reversal of 675543440 is 44345576.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 675543394 and 675543403.

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 15 ways as a sum of consecutive naturals, for example, 18086 + ... + 40965.

Almost surely, 2^675543440 is an apocalyptic number.

It is an amenable number.

675543440 is an abundant number, since it is smaller than the sum of its proper divisors (1169713456).

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

675543440 is a wasteful number, since it uses less digits than its factorization.

675543440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59088 (or 59082 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 38.

The square root of 675543440 is about 25991.2185170299. The cubic root of 675543440 is about 877.4406699009.

The spelling of 675543440 in words is "six hundred seventy-five million, five hundred forty-three thousand, four hundred forty".