1428944526 has 24 divisors (see below), whose sum is σ = 3098113200. Its totient is φ = 475996896.

The previous prime is 1428944519. The next prime is 1428944527. The reversal of 1428944526 is 6254498241.

It is a happy number.

1428944526 is a `hidden beast` number, since 1 + 4 + 2 + 89 + 44 + 526 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428944527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2050 + ... + 53498.

It is an arithmetic number, because the mean of its divisors is an integer number (129088050).

Almost surely, 2^1428944526 is an apocalyptic number.

1428944526 is an abundant number, since it is smaller than the sum of its proper divisors (1669168674).

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

1428944526 is a wasteful number, since it uses less digits than its factorization.

1428944526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53000 (or 52997 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 1428944526 is about 37801.3825937624. The cubic root of 1428944526 is about 1126.3459186198.

The spelling of 1428944526 in words is "one billion, four hundred twenty-eight million, nine hundred forty-four thousand, five hundred twenty-six".