70444444440 has 64 divisors (see below), whose sum is σ = 211647592800. Its totient is φ = 18757251072.

The previous prime is 70444444429. The next prime is 70444444451. The reversal of 70444444440 is 4444444407.

It is an interprime number because it is at equal distance from previous prime (70444444429) and next prime (70444444451).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355375 + ... + 516894.

Almost surely, 2^70444444440 is an apocalyptic number.

It is an amenable number.

70444444440 is an abundant number, since it is smaller than the sum of its proper divisors (141203148360).

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

70444444440 is a wasteful number, since it uses less digits than its factorization.

70444444440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872956 (or 872952 counting only the distinct ones).

The product of its (nonzero) digits is 458752, while the sum is 39.

Adding to 70444444440 its reverse (4444444407), we get a palindrome (74888888847).

The spelling of 70444444440 in words is "seventy billion, four hundred forty-four million, four hundred forty-four thousand, four hundred forty".