1452544040 has 32 divisors (see below), whose sum is σ = 3284831880. Its totient is φ = 578065152.

The previous prime is 1452544033. The next prime is 1452544087. The reversal of 1452544040 is 404452541.

It can be written as a sum of positive squares in 4 ways, for example, as 1296144004 + 156400036 = 36002^2 + 12506^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1452543994 and 1452544012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84287 + ... + 100046.

Almost surely, 2^1452544040 is an apocalyptic number.

1452544040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1452544040 is an abundant number, since it is smaller than the sum of its proper divisors (1832287840).

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

1452544040 is a wasteful number, since it uses less digits than its factorization.

1452544040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184541 (or 184537 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 1452544040 is about 38112.2557716019. The cubic root of 1452544040 is about 1132.5127574189.

Adding to 1452544040 its reverse (404452541), we get a palindrome (1856996581).

The spelling of 1452544040 in words is "one billion, four hundred fifty-two million, five hundred forty-four thousand, forty".