6470840418 has 16 divisors (see below), whose sum is σ = 14790492480. Its totient is φ = 1848811536.

The previous prime is 6470840413. The next prime is 6470840429. The reversal of 6470840418 is 8140480746.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 154067629 = 6470840418 / (6 + 4 + 7 + 0 + 8 + 4 + 0 + 4 + 1 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 6470840418.

It is not an unprimeable number, because it can be changed into a prime (6470840413) 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, 77033773 + ... + 77033856.

It is an arithmetic number, because the mean of its divisors is an integer number (924405780).

Almost surely, 2^6470840418 is an apocalyptic number.

6470840418 is an abundant number, since it is smaller than the sum of its proper divisors (8319652062).

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

6470840418 is a wasteful number, since it uses less digits than its factorization.

6470840418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154067641.

The product of its (nonzero) digits is 172032, while the sum is 42.

The square root of 6470840418 is about 80441.5341599102. The cubic root of 6470840418 is about 1863.4606649466.

The spelling of 6470840418 in words is "six billion, four hundred seventy million, eight hundred forty thousand, four hundred eighteen".