1424312500 has 84 divisors (see below), whose sum is σ = 3357222652. Its totient is φ = 525600000.

The previous prime is 1424312471. The next prime is 1424312537. The reversal of 1424312500 is 52134241.

It can be written as a sum of positive squares in 14 ways, for example, as 510217744 + 914094756 = 22588^2 + 30234^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 811624 + ... + 813376.

Almost surely, 2^1424312500 is an apocalyptic number.

1424312500 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 1424312500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1678611326).

1424312500 is an abundant number, since it is smaller than the sum of its proper divisors (1932910152).

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

1424312500 is an equidigital number, since it uses as much as digits as its factorization.

1424312500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800 (or 1773 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1424312500 is about 37740.0649178032. The cubic root of 1424312500 is about 1125.1275575529.

Adding to 1424312500 its reverse (52134241), we get a palindrome (1476446741).

The spelling of 1424312500 in words is "one billion, four hundred twenty-four million, three hundred twelve thousand, five hundred".