1443420324 has 30 divisors (see below), whose sum is σ = 3773386694. Its totient is φ = 481140000.

The previous prime is 1443420323. The next prime is 1443420359. The reversal of 1443420324 is 4230243441.

It is a happy number.

1443420324 is a `hidden beast` number, since 1 + 4 + 434 + 203 + 24 = 666.

It can be written as a sum of positive squares in only one way, i.e., 936360000 + 507060324 = 30600^2 + 22518^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1443420323) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2227177 + ... + 2227824.

Almost surely, 2^1443420324 is an apocalyptic number.

It is an amenable number.

1443420324 is an abundant number, since it is smaller than the sum of its proper divisors (2329966370).

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

1443420324 is a wasteful number, since it uses less digits than its factorization.

1443420324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4455017 (or 4455006 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 1443420324 is about 37992.3719185839. The cubic root of 1443420324 is about 1130.1365966389.

Adding to 1443420324 its reverse (4230243441), we get a palindrome (5673663765).

The spelling of 1443420324 in words is "one billion, four hundred forty-three million, four hundred twenty thousand, three hundred twenty-four".