6474138340 has 24 divisors (see below), whose sum is σ = 13611124800. Its totient is φ = 2586715488.

The previous prime is 6474138329. The next prime is 6474138367. The reversal of 6474138340 is 438314746.

It is a junction number, because it is equal to n+sod(n) for n = 6474138293 and 6474138302.

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, 165640 + ... + 200959.

It is an arithmetic number, because the mean of its divisors is an integer number (567130200).

Almost surely, 2^6474138340 is an apocalyptic number.

It is an amenable number.

6474138340 is an abundant number, since it is smaller than the sum of its proper divisors (7136986460).

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

6474138340 is a wasteful number, since it uses less digits than its factorization.

6474138340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367491 (or 367489 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The square root of 6474138340 is about 80462.0304242939. The cubic root of 6474138340 is about 1863.7771876741. Note that the first 3 decimals are identical.

The spelling of 6474138340 in words is "six billion, four hundred seventy-four million, one hundred thirty-eight thousand, three hundred forty".