670807852935840 has 384 divisors, whose sum is σ = 2366580991057920. Its totient is φ = 177453573341184.

The previous prime is 670807852935839. The next prime is 670807852935853. The reversal of 670807852935840 is 48539258708076.

670807852935840 is a `hidden beast` number, since 6 + 7 + 0 + 8 + 0 + 7 + 8 + 529 + 3 + 58 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5230120992 + ... + 5230249248.

It is an arithmetic number, because the mean of its divisors is an integer number (6162971330880).

Almost surely, 2^{670807852935840} is an apocalyptic number.

670807852935840 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670807852935840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1183290495528960).

670807852935840 is an abundant number, since it is smaller than the sum of its proper divisors (1695773138122080).

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

670807852935840 is a wasteful number, since it uses less digits than its factorization.

670807852935840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137941 (or 137927 counting only the distinct ones).

The product of its (nonzero) digits is 812851200, while the sum is 72.

The spelling of 670807852935840 in words is "six hundred seventy trillion, eight hundred seven billion, eight hundred fifty-two million, nine hundred thirty-five thousand, eight hundred forty".