1427432500 has 120 divisors (see below), whose sum is σ = 3394613376. Its totient is φ = 521904000.

The previous prime is 1427432497. The next prime is 1427432527. The reversal of 1427432500 is 52347241.

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 5427369 + ... + 5427631.

Almost surely, 2^1427432500 is an apocalyptic number.

1427432500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1427432500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1697306688).

1427432500 is an abundant number, since it is smaller than the sum of its proper divisors (1967180876).

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

1427432500 is a wasteful number, since it uses less digits than its factorization.

1427432500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 1427432500 is about 37781.3776879563. The cubic root of 1427432500 is about 1125.9485004951.

Adding to 1427432500 its reverse (52347241), we get a palindrome (1479779741).

The spelling of 1427432500 in words is "one billion, four hundred twenty-seven million, four hundred thirty-two thousand, five hundred".