6209096640 has 448 divisors, whose sum is σ = 21848064000. Its totient is φ = 1488015360.

The previous prime is 6209096623. The next prime is 6209096669. The reversal of 6209096640 is 466909026.

It is a junction number, because it is equal to n+sod(n) for n = 6209096592 and 6209096601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44669691 + ... + 44669829.

It is an arithmetic number, because the mean of its divisors is an integer number (48768000).

Almost surely, 2^6209096640 is an apocalyptic number.

6209096640 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 6209096640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10924032000).

6209096640 is an abundant number, since it is smaller than the sum of its proper divisors (15638967360).

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

6209096640 is a wasteful number, since it uses less digits than its factorization.

6209096640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 6209096640 is about 78797.8212896778. The cubic root of 6209096640 is about 1837.9885707170.

The spelling of 6209096640 in words is "six billion, two hundred nine million, ninety-six thousand, six hundred forty".