6229137840 has 160 divisors (see below), whose sum is σ = 21210785280. Its totient is φ = 1505230848.

The previous prime is 6229137839. The next prime is 6229137851. The reversal of 6229137840 is 487319226.

It is a junction number, because it is equal to n+sod(n) for n = 6229137792 and 6229137801.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75184 + ... + 134576.

It is an arithmetic number, because the mean of its divisors is an integer number (132567408).

Almost surely, 2^6229137840 is an apocalyptic number.

6229137840 is a gapful number since it is divisible by the number (60) 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 6229137840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10605392640).

6229137840 is an abundant number, since it is smaller than the sum of its proper divisors (14981647440).

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

6229137840 is a wasteful number, since it uses less digits than its factorization.

6229137840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59451 (or 59445 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 6229137840 is about 78924.8873296630. The cubic root of 6229137840 is about 1839.9639485690.

The spelling of 6229137840 in words is "six billion, two hundred twenty-nine million, one hundred thirty-seven thousand, eight hundred forty".