6261960840240 has 160 divisors (see below), whose sum is σ = 22204024851456. Its totient is φ = 1430092938240.

The previous prime is 6261960840167. The next prime is 6261960840257. The reversal of 6261960840240 is 420480691626.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 6261960840240.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 406029 + ... + 3562131.

Almost surely, 2^{6261960840240} is an apocalyptic number.

6261960840240 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 6261960840240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11102012425728).

6261960840240 is an abundant number, since it is smaller than the sum of its proper divisors (15942064011216).

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

6261960840240 is a wasteful number, since it uses less digits than its factorization.

6261960840240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3157307 (or 3157301 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 48.

The spelling of 6261960840240 in words is "six trillion, two hundred sixty-one billion, nine hundred sixty million, eight hundred forty thousand, two hundred forty".