6416040 has 64 divisors (see below), whose sum is σ = 19445760. Its totient is φ = 1693440.

The previous prime is 6415999. The next prime is 6416071. The reversal of 6416040 is 406146.

It is a junction number, because it is equal to n+sod(n) for n = 6415998 and 6416016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15030 + ... + 15450.

It is an arithmetic number, because the mean of its divisors is an integer number (303840).

Almost surely, 2^6416040 is an apocalyptic number.

6416040 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 6416040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9722880).

6416040 is an abundant number, since it is smaller than the sum of its proper divisors (13029720).

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

6416040 is a wasteful number, since it uses less digits than its factorization.

6416040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562 (or 558 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 6416040 is about 2532.9903276562. The cubic root of 6416040 is about 185.8185303730.

The spelling of 6416040 in words is "six million, four hundred sixteen thousand, forty".