1428815004 has 12 divisors (see below), whose sum is σ = 3333901704. Its totient is φ = 476271664.

The previous prime is 1428814973. The next prime is 1428815021. The reversal of 1428815004 is 4005188241.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59533947 + ... + 59533970.

It is an arithmetic number, because the mean of its divisors is an integer number (277825142).

Almost surely, 2^1428815004 is an apocalyptic number.

It is an amenable number.

1428815004 is an abundant number, since it is smaller than the sum of its proper divisors (1905086700).

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

1428815004 is a wasteful number, since it uses less digits than its factorization.

1428815004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119067924 (or 119067922 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 33.

The square root of 1428815004 is about 37799.6693636333. The cubic root of 1428815004 is about 1126.3118862784.

It can be divided in two parts, 14288 and 15004, that added together give a palindrome (29292).

The spelling of 1428815004 in words is "one billion, four hundred twenty-eight million, eight hundred fifteen thousand, four".