1428579500 has 24 divisors (see below), whose sum is σ = 3120018720. Its totient is φ = 571431600.

The previous prime is 1428579491. The next prime is 1428579511. The reversal of 1428579500 is 59758241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1428080 + ... + 1429079.

It is an arithmetic number, because the mean of its divisors is an integer number (130000780).

Almost surely, 2^1428579500 is an apocalyptic number.

1428579500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1428579500 is an abundant number, since it is smaller than the sum of its proper divisors (1691439220).

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

1428579500 is a wasteful number, since it uses less digits than its factorization.

1428579500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857178 (or 2857166 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 1428579500 is about 37796.5540757355. The cubic root of 1428579500 is about 1126.2500015398.

The spelling of 1428579500 in words is "one billion, four hundred twenty-eight million, five hundred seventy-nine thousand, five hundred".