1452435240 has 128 divisors (see below), whose sum is σ = 4604889600. Its totient is φ = 365472000.

The previous prime is 1452435199. The next prime is 1452435251. The reversal of 1452435240 is 425342541.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1452435198 and 1452435207.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 644115 + ... + 646365.

It is an arithmetic number, because the mean of its divisors is an integer number (35975700).

Almost surely, 2^1452435240 is an apocalyptic number.

1452435240 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 1452435240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2302444800).

1452435240 is an abundant number, since it is smaller than the sum of its proper divisors (3152454360).

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

1452435240 is a wasteful number, since it uses less digits than its factorization.

1452435240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2567 (or 2563 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 1452435240 is about 38110.8283824952. The cubic root of 1452435240 is about 1132.4844804875.

Adding to 1452435240 its reverse (425342541), we get a palindrome (1877777781).

The spelling of 1452435240 in words is "one billion, four hundred fifty-two million, four hundred thirty-five thousand, two hundred forty".