1962378368 has 64 divisors (see below), whose sum is σ = 4248096000. Its totient is φ = 899527680.

The previous prime is 1962378329. The next prime is 1962378419. The reversal of 1962378368 is 8638732691.

It is a tau number, because it is divible by the number of its divisors (64).

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, 62378 + ... + 88406.

It is an arithmetic number, because the mean of its divisors is an integer number (66376500).

Almost surely, 2^1962378368 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 1962378368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2124048000).

1962378368 is an abundant number, since it is smaller than the sum of its proper divisors (2285717632).

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

1962378368 is a wasteful number, since it uses less digits than its factorization.

1962378368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26093 (or 26081 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 53.

The square root of 1962378368 is about 44298.7400272288. The cubic root of 1962378368 is about 1251.9709425151.

The spelling of 1962378368 in words is "one billion, nine hundred sixty-two million, three hundred seventy-eight thousand, three hundred sixty-eight".