6456440010 has 16 divisors (see below), whose sum is σ = 15495456096. Its totient is φ = 1721717328.

The previous prime is 6456439993. The next prime is 6456440017. The reversal of 6456440010 is 100446546.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 215214667 = 6456440010 / (6 + 4 + 5 + 6 + 4 + 4 + 0 + 0 + 1 + 0).

It is a self number, because there is not a number n which added to its sum of digits gives 6456440010.

It is not an unprimeable number, because it can be changed into a prime (6456440017) 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, 107607304 + ... + 107607363.

It is an arithmetic number, because the mean of its divisors is an integer number (968466006).

Almost surely, 2^6456440010 is an apocalyptic number.

6456440010 is an abundant number, since it is smaller than the sum of its proper divisors (9039016086).

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

6456440010 is a wasteful number, since it uses less digits than its factorization.

6456440010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215214677.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 6456440010 is about 80351.9757691122. The cubic root of 6456440010 is about 1862.0773039529.

Adding to 6456440010 its reverse (100446546), we get a palindrome (6556886556).

The spelling of 6456440010 in words is "six billion, four hundred fifty-six million, four hundred forty thousand, ten".