545732992040 has 32 divisors (see below), whose sum is σ = 1240557995880. Its totient is φ = 216042749952.

The previous prime is 545732992037. The next prime is 545732992061. The reversal of 545732992040 is 40299237545.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 534966439396 + 10766552644 = 731414^2 + 103762^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 545732992040.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70322537 + ... + 70330296.

Almost surely, 2^545732992040 is an apocalyptic number.

It is an amenable number.

545732992040 is an abundant number, since it is smaller than the sum of its proper divisors (694825003840).

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

545732992040 is a wasteful number, since it uses less digits than its factorization.

545732992040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140652941 (or 140652937 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 50.

The spelling of 545732992040 in words is "five hundred forty-five billion, seven hundred thirty-two million, nine hundred ninety-two thousand, forty".