6122865840 has 160 divisors (see below), whose sum is σ = 23361171456. Its totient is φ = 1291852800.

The previous prime is 6122865781. The next prime is 6122865851. The reversal of 6122865840 is 485682216.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 6122865792 and 6122865801.

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, 118336 + ... + 162015.

Almost surely, 2^6122865840 is an apocalyptic number.

6122865840 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6122865840 is an abundant number, since it is smaller than the sum of its proper divisors (17238305616).

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

6122865840 is a wasteful number, since it uses less digits than its factorization.

6122865840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280387 (or 280381 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 6122865840 is about 78248.7433764914. The cubic root of 6122865840 is about 1829.4403257302.

The spelling of 6122865840 in words is "six billion, one hundred twenty-two million, eight hundred sixty-five thousand, eight hundred forty".