1452423400 has 24 divisors (see below), whose sum is σ = 3376884870. Its totient is φ = 580969280.

The previous prime is 1452423397. The next prime is 1452423409. The reversal of 1452423400 is 43242541.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1095742404 + 356680996 = 33102^2 + 18886^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1452423409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3630859 + ... + 3631258.

Almost surely, 2^1452423400 is an apocalyptic number.

1452423400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1452423400 is an abundant number, since it is smaller than the sum of its proper divisors (1924461470).

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

1452423400 is a wasteful number, since it uses less digits than its factorization.

1452423400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7262133 (or 7262124 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1452423400 is about 38110.6730457493. The cubic root of 1452423400 is about 1132.4814032068.

Adding to 1452423400 its reverse (43242541), we get a palindrome (1495665941).

The spelling of 1452423400 in words is "one billion, four hundred fifty-two million, four hundred twenty-three thousand, four hundred".