670045040 has 40 divisors (see below), whose sum is σ = 1780406880. Its totient is φ = 229729536.

The previous prime is 670045037. The next prime is 670045043. The reversal of 670045040 is 40540076.

It is an interprime number because it is at equal distance from previous prime (670045037) and next prime (670045043).

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670045043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 597695 + ... + 598814.

It is an arithmetic number, because the mean of its divisors is an integer number (44510172).

Almost surely, 2^670045040 is an apocalyptic number.

It is an amenable number.

670045040 is an abundant number, since it is smaller than the sum of its proper divisors (1110361840).

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

670045040 is a wasteful number, since it uses less digits than its factorization.

670045040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196529 (or 1196523 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 670045040 is about 25885.2282199713. The cubic root of 670045040 is about 875.0536195713.

The spelling of 670045040 in words is "six hundred seventy million, forty-five thousand, forty".