1452065640 has 64 divisors (see below), whose sum is σ = 4364444160. Its totient is φ = 386484480.

The previous prime is 1452065597. The next prime is 1452065651. The reversal of 1452065640 is 465602541.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53737 + ... + 76103.

It is an arithmetic number, because the mean of its divisors is an integer number (68194440).

Almost surely, 2^1452065640 is an apocalyptic number.

1452065640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1452065640 is an abundant number, since it is smaller than the sum of its proper divisors (2912378520).

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

1452065640 is a wasteful number, since it uses less digits than its factorization.

1452065640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22922 (or 22918 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 1452065640 is about 38105.9790584102. The cubic root of 1452065640 is about 1132.3884115403.

The spelling of 1452065640 in words is "one billion, four hundred fifty-two million, sixty-five thousand, six hundred forty".