1428575478 has 32 divisors (see below), whose sum is σ = 3126356352. Its totient is φ = 431587200.

The previous prime is 1428575461. The next prime is 1428575479. The reversal of 1428575478 is 8745758241.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1428575478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428575479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10851 + ... + 54542.

It is an arithmetic number, because the mean of its divisors is an integer number (97698636).

Almost surely, 2^1428575478 is an apocalyptic number.

1428575478 is an abundant number, since it is smaller than the sum of its proper divisors (1697780874).

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

1428575478 is a wasteful number, since it uses less digits than its factorization.

1428575478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65740.

The product of its digits is 2508800, while the sum is 51.

The square root of 1428575478 is about 37796.5008697895. The cubic root of 1428575478 is about 1126.2489445967.

The spelling of 1428575478 in words is "one billion, four hundred twenty-eight million, five hundred seventy-five thousand, four hundred seventy-eight".