1428571430 has 64 divisors (see below), whose sum is σ = 3180038400. Its totient is φ = 454273920.

The previous prime is 1428571429. The next prime is 1428571433. The reversal of 1428571430 is 341758241.

It is a super-2 number, since 2×1428571430² = 4081632661224489800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428571433) 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 31 ways as a sum of consecutive naturals, for example, 881 + ... + 53459.

It is an arithmetic number, because the mean of its divisors is an integer number (49688100).

Almost surely, 2^1428571430 is an apocalyptic number.

1428571430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1428571430 is an abundant number, since it is smaller than the sum of its proper divisors (1751466970).

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

1428571430 is a wasteful number, since it uses less digits than its factorization.

1428571430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52629.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 1428571430 is about 37796.4473198209. The cubic root of 1428571430 is about 1126.2478808190.

The spelling of 1428571430 in words is "one billion, four hundred twenty-eight million, five hundred seventy-one thousand, four hundred thirty".