4006747944 has 80 divisors (see below), whose sum is σ = 11272456800. Its totient is φ = 1329650208.

The previous prime is 4006747939. The next prime is 4006747951. The reversal of 4006747944 is 4497476004.

It is a self number, because there is not a number n which added to its sum of digits gives 4006747944.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 133477 + ... + 160715.

It is an arithmetic number, because the mean of its divisors is an integer number (140905710).

Almost surely, 2^4006747944 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 4006747944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5636228400).

4006747944 is an abundant number, since it is smaller than the sum of its proper divisors (7265708856).

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

4006747944 is a wasteful number, since it uses less digits than its factorization.

4006747944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27484 (or 27471 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The square root of 4006747944 is about 63298.8779047465. The cubic root of 4006747944 is about 1588.2931915974.

The spelling of 4006747944 in words is "four billion, six million, seven hundred forty-seven thousand, nine hundred forty-four".