1964208960 has 448 divisors, whose sum is σ = 8099389440. Its totient is φ = 438773760.

The previous prime is 1964208919. The next prime is 1964208971. The reversal of 1964208960 is 698024691.

It is a happy number.

1964208960 is a `hidden beast` number, since 1 + 96 + 420 + 89 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2842215 + ... + 2842905.

Almost surely, 2^1964208960 is an apocalyptic number.

1964208960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1964208960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4049694720).

1964208960 is an abundant number, since it is smaller than the sum of its proper divisors (6135180480).

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

1964208960 is a wasteful number, since it uses less digits than its factorization.

1964208960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771 (or 755 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 1964208960 is about 44319.3971078127. The cubic root of 1964208960 is about 1252.3601191987.

The spelling of 1964208960 in words is "one billion, nine hundred sixty-four million, two hundred eight thousand, nine hundred sixty".