4070736640 has 72 divisors (see below), whose sum is σ = 9773426880. Its totient is φ = 1624498176.

The previous prime is 4070736617. The next prime is 4070736653. The reversal of 4070736640 is 466370704.

It is a self number, because there is not a number n which added to its sum of digits gives 4070736640.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 581481 + ... + 588439.

It is an arithmetic number, because the mean of its divisors is an integer number (135742040).

Almost surely, 2^4070736640 is an apocalyptic number.

4070736640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4070736640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4886713440).

4070736640 is an abundant number, since it is smaller than the sum of its proper divisors (5702690240).

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

4070736640 is an equidigital number, since it uses as much as digits as its factorization.

4070736640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7437 (or 7423 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 37.

The square root of 4070736640 is about 63802.3247225366. The cubic root of 4070736640 is about 1596.7037137240.

The spelling of 4070736640 in words is "four billion, seventy million, seven hundred thirty-six thousand, six hundred forty".