70105455440 has 160 divisors (see below), whose sum is σ = 180891636480. Its totient is φ = 25132326912.

The previous prime is 70105455419. The next prime is 70105455449. The reversal of 70105455440 is 4455450107.

It is a self number, because there is not a number n which added to its sum of digits gives 70105455440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70105455449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7158227 + ... + 7168013.

It is an arithmetic number, because the mean of its divisors is an integer number (1130572728).

Almost surely, 2^70105455440 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 70105455440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90445818240).

70105455440 is an abundant number, since it is smaller than the sum of its proper divisors (110786181040).

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

70105455440 is a wasteful number, since it uses less digits than its factorization.

70105455440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10069 (or 10063 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 35.

The spelling of 70105455440 in words is "seventy billion, one hundred five million, four hundred fifty-five thousand, four hundred forty".