70002205440 has 144 divisors (see below), whose sum is σ = 224995491168. Its totient is φ = 18548195328.

The previous prime is 70002205439. The next prime is 70002205487. The reversal of 70002205440 is 4450220007.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 70002205440.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544824 + ... + 660936.

Almost surely, 2^70002205440 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 70002205440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112497745584).

70002205440 is an abundant number, since it is smaller than the sum of its proper divisors (154993285728).

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

70002205440 is a wasteful number, since it uses less digits than its factorization.

70002205440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116294 (or 116280 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

Adding to 70002205440 its reverse (4450220007), we get a palindrome (74452425447).

The spelling of 70002205440 in words is "seventy billion, two million, two hundred five thousand, four hundred forty".