40003203545 has 8 divisors (see below), whose sum is σ = 48107976840. Its totient is φ = 31933141120.

The previous prime is 40003203529. The next prime is 40003203599. The reversal of 40003203545 is 54530230004.

It can be written as a sum of positive squares in 4 ways, for example, as 12811523344 + 27191680201 = 113188^2 + 164899^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40003203545 - 2⁴ = 40003203529 is a prime.

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, 8675180 + ... + 8679789.

It is an arithmetic number, because the mean of its divisors is an integer number (6013497105).

Almost surely, 2^40003203545 is an apocalyptic number.

It is an amenable number.

40003203545 is a deficient number, since it is larger than the sum of its proper divisors (8104773295).

40003203545 is a wasteful number, since it uses less digits than its factorization.

40003203545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17355435.

The product of its (nonzero) digits is 7200, while the sum is 26.

Adding to 40003203545 its reverse (54530230004), we get a palindrome (94533433549).

The spelling of 40003203545 in words is "forty billion, three million, two hundred three thousand, five hundred forty-five".