844151472 has 60 divisors (see below), whose sum is σ = 2389032360. Its totient is φ = 278217984.

The previous prime is 844151467. The next prime is 844151491. The reversal of 844151472 is 274151448.

It is a happy number.

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

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 11 ways as a sum of consecutive naturals, for example, 20118 + ... + 45749.

It is an arithmetic number, because the mean of its divisors is an integer number (39817206).

Almost surely, 2^844151472 is an apocalyptic number.

It is an amenable number.

844151472 is an abundant number, since it is smaller than the sum of its proper divisors (1544880888).

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

844151472 is a wasteful number, since it uses less digits than its factorization.

844151472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65970 (or 65961 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 844151472 is about 29054.2849163424. The cubic root of 844151472 is about 945.0906371451.

The spelling of 844151472 in words is "eight hundred forty-four million, one hundred fifty-one thousand, four hundred seventy-two".