1428013472 has 48 divisors (see below), whose sum is σ = 2844398592. Its totient is φ = 705676800.

The previous prime is 1428013471. The next prime is 1428013507. The reversal of 1428013472 is 2743108241.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (1428013471) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1240097 + ... + 1241247.

It is an arithmetic number, because the mean of its divisors is an integer number (59258304).

Almost surely, 2^1428013472 is an apocalyptic number.

It is an amenable number.

1428013472 is a deficient number, since it is larger than the sum of its proper divisors (1416385120).

1428013472 is a wasteful number, since it uses less digits than its factorization.

1428013472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581 (or 1573 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 1428013472 is about 37789.0655084245. The cubic root of 1428013472 is about 1126.1012352888.

The spelling of 1428013472 in words is "one billion, four hundred twenty-eight million, thirteen thousand, four hundred seventy-two".