40533020545 has 16 divisors (see below), whose sum is σ = 48717686160. Its totient is φ = 32374427904.

The previous prime is 40533020531. The next prime is 40533020579. The reversal of 40533020545 is 54502033504.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 19784704 + 40513235841 = 4448^2 + 201279^2 .

It is a cyclic number.

It is not a de Polignac number, because 40533020545 - 2⁷ = 40533020417 is a prime.

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, 11523127 + ... + 11526643.

It is an arithmetic number, because the mean of its divisors is an integer number (3044855385).

Almost surely, 2^40533020545 is an apocalyptic number.

It is an amenable number.

40533020545 is a deficient number, since it is larger than the sum of its proper divisors (8184665615).

40533020545 is a wasteful number, since it uses less digits than its factorization.

40533020545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6564.

The product of its (nonzero) digits is 36000, while the sum is 31.

The spelling of 40533020545 in words is "forty billion, five hundred thirty-three million, twenty thousand, five hundred forty-five".