964144427448 has 64 divisors (see below), whose sum is σ = 2430404480160. Its totient is φ = 318718388736.

The previous prime is 964144427399. The next prime is 964144427471. The reversal of 964144427448 is 844724441469.

It is a happy number.

It is a congruent 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, 1355886 + ... + 1940802.

Almost surely, 2^964144427448 is an apocalyptic number.

It is an amenable number.

964144427448 is an abundant number, since it is smaller than the sum of its proper divisors (1466260052712).

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

964144427448 is a wasteful number, since it uses less digits than its factorization.

964144427448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585496 (or 585492 counting only the distinct ones).

The product of its digits is 24772608, while the sum is 57.

The spelling of 964144427448 in words is "nine hundred sixty-four billion, one hundred forty-four million, four hundred twenty-seven thousand, four hundred forty-eight".