1964870418 has 32 divisors (see below), whose sum is σ = 4498136064. Its totient is φ = 560516112.

The previous prime is 1964870407. The next prime is 1964870443. The reversal of 1964870418 is 8140784691.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8980 + ... + 63327.

It is an arithmetic number, because the mean of its divisors is an integer number (140566752).

Almost surely, 2^1964870418 is an apocalyptic number.

1964870418 is an abundant number, since it is smaller than the sum of its proper divisors (2533265646).

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

1964870418 is a wasteful number, since it uses less digits than its factorization.

1964870418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72966.

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 1964870418 is about 44326.8588781114. The cubic root of 1964870418 is about 1252.5006831045.

The spelling of 1964870418 in words is "one billion, nine hundred sixty-four million, eight hundred seventy thousand, four hundred eighteen".