1424622400 has 84 divisors (see below), whose sum is σ = 3514244940. Its totient is φ = 568422400.

The previous prime is 1424622383. The next prime is 1424622403. The reversal of 1424622400 is 42264241.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 237406464 + 1187215936 = 15408^2 + 34456^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424622403) 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 11 ways as a sum of consecutive naturals, for example, 832746 + ... + 834454.

Almost surely, 2^1424622400 is an apocalyptic number.

1424622400 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 1424622400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1757122470).

1424622400 is an abundant number, since it is smaller than the sum of its proper divisors (2089622540).

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

1424622400 is a wasteful number, since it uses less digits than its factorization.

1424622400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252 (or 2237 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1424622400 is about 37744.1704108065. The cubic root of 1424622400 is about 1125.2091528828.

Adding to 1424622400 its reverse (42264241), we get a palindrome (1466886641).

The spelling of 1424622400 in words is "one billion, four hundred twenty-four million, six hundred twenty-two thousand, four hundred".