4089442140 has 336 divisors, whose sum is σ = 15587474112. Its totient is φ = 879372288.

The previous prime is 4089442139. The next prime is 4089442151. The reversal of 4089442140 is 412449804.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4089442095 and 4089442104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 1733842 + ... + 1736198.

It is an arithmetic number, because the mean of its divisors is an integer number (46391292).

Almost surely, 2^4089442140 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 4089442140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7793737056).

4089442140 is an abundant number, since it is smaller than the sum of its proper divisors (11498031972).

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

4089442140 is a wasteful number, since it uses less digits than its factorization.

4089442140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408 (or 2391 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 4089442140 is about 63948.7461956839. The cubic root of 4089442140 is about 1599.1456558704.

The spelling of 4089442140 in words is "four billion, eighty-nine million, four hundred forty-two thousand, one hundred forty".