670155040 has 48 divisors (see below), whose sum is σ = 1610098560. Its totient is φ = 263514880.

The previous prime is 670155019. The next prime is 670155049. The reversal of 670155040 is 40551076.

It is not an unprimeable number, because it can be changed into a prime (670155049) 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, 26056 + ... + 44935.

It is an arithmetic number, because the mean of its divisors is an integer number (33543720).

Almost surely, 2^670155040 is an apocalyptic number.

It is an amenable number.

670155040 is an abundant number, since it is smaller than the sum of its proper divisors (939943520).

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

670155040 is a wasteful number, since it uses less digits than its factorization.

670155040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71065 (or 71057 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 670155040 is about 25887.3528967332. The cubic root of 670155040 is about 875.1015022386.

The spelling of 670155040 in words is "six hundred seventy million, one hundred fifty-five thousand, forty".