545345403040 has 48 divisors (see below), whose sum is σ = 1288439769960. Its totient is φ = 218127790080.

The previous prime is 545345403023. The next prime is 545345403041. The reversal of 545345403040 is 40304543545.

It can be written as a sum of positive squares in 4 ways, for example, as 296715520656 + 248629882384 = 544716^2 + 498628^2 .

It is not an unprimeable number, because it can be changed into a prime (545345403041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3905956 + ... + 4043164.

Almost surely, 2^545345403040 is an apocalyptic number.

It is an amenable number.

545345403040 is an abundant number, since it is smaller than the sum of its proper divisors (743094366920).

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

545345403040 is a wasteful number, since it uses less digits than its factorization.

545345403040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162065 (or 162057 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 37.

Adding to 545345403040 its reverse (40304543545), we get a palindrome (585649946585).

The spelling of 545345403040 in words is "five hundred forty-five billion, three hundred forty-five million, four hundred three thousand, forty".