6426378330 has 16 divisors (see below), whose sum is σ = 15423308064. Its totient is φ = 1713700880.

The previous prime is 6426378271. The next prime is 6426378367. The reversal of 6426378330 is 338736246.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107106276 + ... + 107106335.

It is an arithmetic number, because the mean of its divisors is an integer number (963956754).

Almost surely, 2^6426378330 is an apocalyptic number.

6426378330 is an abundant number, since it is smaller than the sum of its proper divisors (8996929734).

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

6426378330 is a wasteful number, since it uses less digits than its factorization.

6426378330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214212621.

The product of its (nonzero) digits is 435456, while the sum is 42.

The square root of 6426378330 is about 80164.6950346597. The cubic root of 6426378330 is about 1859.1828153807.

The spelling of 6426378330 in words is "six billion, four hundred twenty-six million, three hundred seventy-eight thousand, three hundred thirty".