675558540 has 72 divisors (see below), whose sum is σ = 2051496720. Its totient is φ = 179946624.

The previous prime is 675558523. The next prime is 675558551. The reversal of 675558540 is 45855576.

675558540 is a `hidden beast` number, since 6 + 7 + 55 + 58 + 540 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 228391 + ... + 231329.

It is an arithmetic number, because the mean of its divisors is an integer number (28493010).

Almost surely, 2^675558540 is an apocalyptic number.

675558540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

675558540 is an abundant number, since it is smaller than the sum of its proper divisors (1375938180).

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

675558540 is a wasteful number, since it uses less digits than its factorization.

675558540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4231 (or 4226 counting only the distinct ones).

The product of its (nonzero) digits is 840000, while the sum is 45.

The square root of 675558540 is about 25991.5089981324. The cubic root of 675558540 is about 877.4472074797.

The spelling of 675558540 in words is "six hundred seventy-five million, five hundred fifty-eight thousand, five hundred forty".