6456040 has 32 divisors (see below), whose sum is σ = 14676480. Its totient is φ = 2555712.

The previous prime is 6456011. The next prime is 6456041. The reversal of 6456040 is 406546.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6455996 and 6456014.

It is not an unprimeable number, because it can be changed into a prime (6456041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3337 + ... + 4903.

It is an arithmetic number, because the mean of its divisors is an integer number (458640).

Almost surely, 2^6456040 is an apocalyptic number.

It is an amenable number.

6456040 is an abundant number, since it is smaller than the sum of its proper divisors (8220440).

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

6456040 is a wasteful number, since it uses less digits than its factorization.

6456040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681 (or 1677 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 6456040 is about 2540.8738654250. The cubic root of 6456040 is about 186.2038848038.

The spelling of 6456040 in words is "six million, four hundred fifty-six thousand, forty".