6246406040 has 64 divisors (see below), whose sum is σ = 16099594560. Its totient is φ = 2136637440.

The previous prime is 6246406037. The next prime is 6246406063. The reversal of 6246406040 is 406046426.

It is a junction number, because it is equal to n+sod(n) for n = 6246405988 and 6246406006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95480 + ... + 147000.

It is an arithmetic number, because the mean of its divisors is an integer number (251556165).

Almost surely, 2^6246406040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6246406040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8049797280).

6246406040 is an abundant number, since it is smaller than the sum of its proper divisors (9853188520).

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

6246406040 is a wasteful number, since it uses less digits than its factorization.

6246406040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51972 (or 51968 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 6246406040 is about 79034.2080367735. The cubic root of 6246406040 is about 1841.6626079730.

The spelling of 6246406040 in words is "six billion, two hundred forty-six million, four hundred six thousand, forty".