670556477194240 has 704 divisors, whose sum is σ = 2044704593111040. Its totient is φ = 205365203435520.

The previous prime is 670556477194213. The next prime is 670556477194259. The reversal of 670556477194240 is 42491774655076.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29580317626 + ... + 29580340294.

Almost surely, 2^{670556477194240} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670556477194240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1022352296555520).

670556477194240 is an abundant number, since it is smaller than the sum of its proper divisors (1374148115916800).

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

670556477194240 is an frugal number, since it uses more digits than its factorization.

670556477194240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22767 (or 22727 counting only the distinct ones).

The product of its (nonzero) digits is 355622400, while the sum is 67.

The spelling of 670556477194240 in words is "six hundred seventy trillion, five hundred fifty-six billion, four hundred seventy-seven million, one hundred ninety-four thousand, two hundred forty".