4393378026 has 48 divisors (see below), whose sum is σ = 10076283360. Its totient is φ = 1381070880.

The previous prime is 4393377893. The next prime is 4393378049. The reversal of 4393378026 is 6208733934.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75420 + ... + 120311.

It is an arithmetic number, because the mean of its divisors is an integer number (209922570).

Almost surely, 2^4393378026 is an apocalyptic number.

4393378026 is an abundant number, since it is smaller than the sum of its proper divisors (5682905334).

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

4393378026 is a wasteful number, since it uses less digits than its factorization.

4393378026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195811 (or 195808 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The square root of 4393378026 is about 66282.5620054023. The cubic root of 4393378026 is about 1637.8200793492.

The spelling of 4393378026 in words is "four billion, three hundred ninety-three million, three hundred seventy-eight thousand, twenty-six".