1964494476 has 108 divisors (see below), whose sum is σ = 5794916400. Its totient is φ = 559500480.

The previous prime is 1964494457. The next prime is 1964494507. The reversal of 1964494476 is 6744944691.

1964494476 is a `hidden beast` number, since 1 + 96 + 449 + 44 + 76 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 614041 + ... + 617231.

Almost surely, 2^1964494476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1964494476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2897458200).

1964494476 is an abundant number, since it is smaller than the sum of its proper divisors (3830421924).

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

1964494476 is a wasteful number, since it uses less digits than its factorization.

1964494476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3564 (or 3552 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The square root of 1964494476 is about 44322.6181085910. The cubic root of 1964494476 is about 1252.4207969805.

The spelling of 1964494476 in words is "one billion, nine hundred sixty-four million, four hundred ninety-four thousand, four hundred seventy-six".