2061729360 has 240 divisors, whose sum is σ = 7129424640. Its totient is φ = 533744640.

The previous prime is 2061729359. The next prime is 2061729377. The reversal of 2061729360 is 639271602.

2061729360 is a `hidden beast` number, since 2 + 0 + 617 + 2 + 9 + 36 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3810690 + ... + 3811230.

It is an arithmetic number, because the mean of its divisors is an integer number (29705936).

Almost surely, 2^2061729360 is an apocalyptic number.

2061729360 is a gapful number since it is divisible by the number (20) 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 2061729360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3564712320).

2061729360 is an abundant number, since it is smaller than the sum of its proper divisors (5067695280).

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

2061729360 is a wasteful number, since it uses less digits than its factorization.

2061729360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 2061729360 is about 45406.2700516129. The cubic root of 2061729360 is about 1272.7522843198.

The spelling of 2061729360 in words is "two billion, sixty-one million, seven hundred twenty-nine thousand, three hundred sixty".