1427645028 has 24 divisors (see below), whose sum is σ = 3506497120. Its totient is φ = 450835200.

The previous prime is 1427645027. The next prime is 1427645033. The reversal of 1427645028 is 8205467241.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1427645027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3130573 + ... + 3131028.

Almost surely, 2^1427645028 is an apocalyptic number.

It is an amenable number.

1427645028 is an abundant number, since it is smaller than the sum of its proper divisors (2078852092).

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

1427645028 is a wasteful number, since it uses less digits than its factorization.

1427645028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6261627 (or 6261625 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 1427645028 is about 37784.1901858436. The cubic root of 1427645028 is about 1126.0043779085.

The spelling of 1427645028 in words is "one billion, four hundred twenty-seven million, six hundred forty-five thousand, twenty-eight".