70446044636 has 48 divisors (see below), whose sum is σ = 137316641280. Its totient is φ = 31615412400.

The previous prime is 70446044563. The next prime is 70446044639. The reversal of 70446044636 is 63644064407.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70446044639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336851 + ... + 504341.

It is an arithmetic number, because the mean of its divisors is an integer number (2860763360).

Almost surely, 2^70446044636 is an apocalyptic number.

It is an amenable number.

70446044636 is a deficient number, since it is larger than the sum of its proper divisors (66870596644).

70446044636 is a wasteful number, since it uses less digits than its factorization.

70446044636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167607 (or 167583 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 44.

The spelling of 70446044636 in words is "seventy billion, four hundred forty-six million, forty-four thousand, six hundred thirty-six".