4391783140 has 12 divisors (see below), whose sum is σ = 9222744636. Its totient is φ = 1756713248.

The previous prime is 4391783131. The next prime is 4391783161. The reversal of 4391783140 is 413871934.

It can be written as a sum of positive squares in 2 ways, for example, as 2663385664 + 1728397476 = 51608^2 + 41574^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4391783093 and 4391783102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109794559 + ... + 109794598.

It is an arithmetic number, because the mean of its divisors is an integer number (768562053).

Almost surely, 2^4391783140 is an apocalyptic number.

It is an amenable number.

4391783140 is an abundant number, since it is smaller than the sum of its proper divisors (4830961496).

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

4391783140 is a wasteful number, since it uses less digits than its factorization.

4391783140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219589166 (or 219589164 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 4391783140 is about 66270.5299511027. The cubic root of 4391783140 is about 1637.6218679768.

The spelling of 4391783140 in words is "four billion, three hundred ninety-one million, seven hundred eighty-three thousand, one hundred forty".