1601239244 has 24 divisors (see below), whose sum is σ = 3063581136. Its totient is φ = 726248000.

The previous prime is 1601239243. The next prime is 1601239261. The reversal of 1601239244 is 4429321061.

It is a self number, because there is not a number n which added to its sum of digits gives 1601239244.

It is not an unprimeable number, because it can be changed into a prime (1601239243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19187 + ... + 59754.

It is an arithmetic number, because the mean of its divisors is an integer number (127649214).

Almost surely, 2^1601239244 is an apocalyptic number.

It is an amenable number.

1601239244 is a deficient number, since it is larger than the sum of its proper divisors (1462341892).

1601239244 is a wasteful number, since it uses less digits than its factorization.

1601239244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79417 (or 79415 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1601239244 is about 40015.4875516968. The cubic root of 1601239244 is about 1169.9089816453.

The spelling of 1601239244 in words is "one billion, six hundred one million, two hundred thirty-nine thousand, two hundred forty-four".