70444172188 has 24 divisors (see below), whose sum is σ = 132768051920. Its totient is φ = 32510764800.

The previous prime is 70444172159. The next prime is 70444172237. The reversal of 70444172188 is 88127144407.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 1220788 + ... + 1277188.

Almost surely, 2^70444172188 is an apocalyptic number.

It is an amenable number.

70444172188 is a deficient number, since it is larger than the sum of its proper divisors (62323879732).

70444172188 is a wasteful number, since it uses less digits than its factorization.

70444172188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80437 (or 80435 counting only the distinct ones).

The product of its (nonzero) digits is 401408, while the sum is 46.

The spelling of 70444172188 in words is "seventy billion, four hundred forty-four million, one hundred seventy-two thousand, one hundred eighty-eight".