4394650140 has 144 divisors (see below), whose sum is σ = 14301312480. Its totient is φ = 1131459840.

The previous prime is 4394650129. The next prime is 4394650159. The reversal of 4394650140 is 410564934.

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 = 4394650095 and 4394650104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 125350 + ... + 156530.

It is an arithmetic number, because the mean of its divisors is an integer number (99314670).

Almost surely, 2^4394650140 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 4394650140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7150656240).

4394650140 is an abundant number, since it is smaller than the sum of its proper divisors (9906662340).

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

4394650140 is a wasteful number, since it uses less digits than its factorization.

4394650140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31234 (or 31220 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 4394650140 is about 66292.1574547095. The cubic root of 4394650140 is about 1637.9781424447.

The spelling of 4394650140 in words is "four billion, three hundred ninety-four million, six hundred fifty thousand, one hundred forty".