670418040 has 64 divisors (see below), whose sum is σ = 2117116800. Its totient is φ = 169368192.

The previous prime is 670418029. The next prime is 670418081. The reversal of 670418040 is 40814076.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 670417989 and 670418007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144742 + ... + 149301.

It is an arithmetic number, because the mean of its divisors is an integer number (33079950).

Almost surely, 2^670418040 is an apocalyptic number.

670418040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

670418040 is an abundant number, since it is smaller than the sum of its proper divisors (1446698760).

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

670418040 is a wasteful number, since it uses less digits than its factorization.

670418040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294076 (or 294072 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 670418040 is about 25892.4320989744. The cubic root of 670418040 is about 875.2159641072.

The spelling of 670418040 in words is "six hundred seventy million, four hundred eighteen thousand, forty".