1601042328 has 64 divisors (see below), whose sum is σ = 4640716800. Its totient is φ = 510475680.

The previous prime is 1601042321. The next prime is 1601042329. The reversal of 1601042328 is 8232401061.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601042321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156168 + ... + 166103.

It is an arithmetic number, because the mean of its divisors is an integer number (72511200).

Almost surely, 2^1601042328 is an apocalyptic number.

1601042328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1601042328 is an abundant number, since it is smaller than the sum of its proper divisors (3039674472).

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

1601042328 is a wasteful number, since it uses less digits than its factorization.

1601042328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322309 (or 322299 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1601042328 is about 40013.0269787228. The cubic root of 1601042328 is about 1169.8610222825.

Adding to 1601042328 its reverse (8232401061), we get a palindrome (9833443389).

The spelling of 1601042328 in words is "one billion, six hundred one million, forty-two thousand, three hundred twenty-eight".