4392061940 has 24 divisors (see below), whose sum is σ = 10540948992. Its totient is φ = 1505849760.

The previous prime is 4392061931. The next prime is 4392061997. The reversal of 4392061940 is 491602934.

It is a junction number, because it is equal to n+sod(n) for n = 4392061894 and 4392061903.

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, 15685796 + ... + 15686075.

It is an arithmetic number, because the mean of its divisors is an integer number (439206208).

Almost surely, 2^4392061940 is an apocalyptic number.

It is an amenable number.

4392061940 is an abundant number, since it is smaller than the sum of its proper divisors (6148887052).

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

4392061940 is a wasteful number, since it uses less digits than its factorization.

4392061940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31371887 (or 31371885 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 4392061940 is about 66272.6334168184. The cubic root of 4392061940 is about 1637.6565205162.

The spelling of 4392061940 in words is "four billion, three hundred ninety-two million, sixty-one thousand, nine hundred forty".