670240373538 has 64 divisors (see below), whose sum is σ = 1403585003520. Its totient is φ = 212963786112.

The previous prime is 670240373497. The next prime is 670240373557. The reversal of 670240373538 is 835373042076.

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, 128667078 + ... + 128672286.

It is an arithmetic number, because the mean of its divisors is an integer number (21931015680).

Almost surely, 2^670240373538 is an apocalyptic number.

670240373538 is an abundant number, since it is smaller than the sum of its proper divisors (733344629982).

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

670240373538 is a wasteful number, since it uses less digits than its factorization.

670240373538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8271.

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 670240373538 in words is "six hundred seventy billion, two hundred forty million, three hundred seventy-three thousand, five hundred thirty-eight".