5729921920 has 128 divisors (see below), whose sum is σ = 14444619840. Its totient is φ = 2169176064.

The previous prime is 5729921917. The next prime is 5729921929. The reversal of 5729921920 is 291299275.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5729921929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1425834 + ... + 1429846.

Almost surely, 2^5729921920 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 5729921920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7222309920).

5729921920 is an abundant number, since it is smaller than the sum of its proper divisors (8714697920).

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

5729921920 is a wasteful number, since it uses less digits than its factorization.

5729921920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4152 (or 4140 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 46.

The square root of 5729921920 is about 75696.2477273478. The cubic root of 5729921920 is about 1789.4362653694.

The spelling of 5729921920 in words is "five billion, seven hundred twenty-nine million, nine hundred twenty-one thousand, nine hundred twenty".