40033527645 has 16 divisors (see below), whose sum is σ = 64131117120. Its totient is φ = 21325390464.

The previous prime is 40033527641. The next prime is 40033527671. The reversal of 40033527645 is 54672533004.

It is not a de Polignac number, because 40033527645 - 2² = 40033527641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40033527641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1601200 + ... + 1626009.

It is an arithmetic number, because the mean of its divisors is an integer number (4008194820).

Almost surely, 2^40033527645 is an apocalyptic number.

It is an amenable number.

40033527645 is a deficient number, since it is larger than the sum of its proper divisors (24097589475).

40033527645 is a wasteful number, since it uses less digits than its factorization.

40033527645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3228044.

The product of its (nonzero) digits is 302400, while the sum is 39.

The spelling of 40033527645 in words is "forty billion, thirty-three million, five hundred twenty-seven thousand, six hundred forty-five".