1964516288 has 56 divisors (see below), whose sum is σ = 4462845024. Its totient is φ = 840499200.

The previous prime is 1964516249. The next prime is 1964516299. The reversal of 1964516288 is 8826154691.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

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, 283748 + ... + 290588.

Almost surely, 2^1964516288 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 1964516288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2231422512).

1964516288 is an abundant number, since it is smaller than the sum of its proper divisors (2498328736).

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

1964516288 is an equidigital number, since it uses as much as digits as its factorization.

1964516288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7501 (or 7491 counting only the distinct ones).

The product of its digits is 829440, while the sum is 50.

The square root of 1964516288 is about 44322.8641673798. The cubic root of 1964516288 is about 1252.4254322190.

The spelling of 1964516288 in words is "one billion, nine hundred sixty-four million, five hundred sixteen thousand, two hundred eighty-eight".