1352172844 has 48 divisors (see below), whose sum is σ = 2667069216. Its totient is φ = 594432000.

The previous prime is 1352172841. The next prime is 1352172851. The reversal of 1352172844 is 4482712531.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (1352172841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279244 + ... + 284044.

It is an arithmetic number, because the mean of its divisors is an integer number (55563942).

Almost surely, 2^1352172844 is an apocalyptic number.

It is an amenable number.

1352172844 is a deficient number, since it is larger than the sum of its proper divisors (1314896372).

1352172844 is a wasteful number, since it uses less digits than its factorization.

1352172844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5026 (or 5024 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 1352172844 is about 36771.9029151335. The cubic root of 1352172844 is about 1105.8020818104.

The spelling of 1352172844 in words is "one billion, three hundred fifty-two million, one hundred seventy-two thousand, eight hundred forty-four".