670500040 has 32 divisors (see below), whose sum is σ = 1724143680. Its totient is φ = 229885632.

The previous prime is 670500007. The next prime is 670500059. The reversal of 670500040 is 40005076.

670500040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 670499984 and 670500020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1197042 + ... + 1197601.

It is an arithmetic number, because the mean of its divisors is an integer number (53879490).

Almost surely, 2^670500040 is an apocalyptic number.

It is an amenable number.

670500040 is an abundant number, since it is smaller than the sum of its proper divisors (1053643640).

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

670500040 is a wasteful number, since it uses less digits than its factorization.

670500040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2394661 (or 2394657 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 670500040 is about 25894.0155248274. The cubic root of 670500040 is about 875.2516457162.

The spelling of 670500040 in words is "six hundred seventy million, five hundred thousand, forty".