40203552387569 has 6 divisors (see below), whose sum is σ = 42430896010530. Its totient is φ = 38087575945776.

The previous prime is 40203552387539. The next prime is 40203552387601. The reversal of 40203552387569 is 96578325530204.

40203552387569 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 26356877871025 + 13846674516544 = 5133895^2 + 3721112^2 .

It is not a de Polignac number, because 40203552387569 - 2³⁶ = 40134832910833 is a prime.

It is a super-2 number, since 2×40203552387569² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40203552387539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55683590204 + ... + 55683590925.

It is an arithmetic number, because the mean of its divisors is an integer number (7071816001755).

Almost surely, 2^{40203552387569} is an apocalyptic number.

It is an amenable number.

40203552387569 is a deficient number, since it is larger than the sum of its proper divisors (2227343622961).

40203552387569 is a wasteful number, since it uses less digits than its factorization.

40203552387569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111367181167 (or 111367181148 counting only the distinct ones).

The product of its (nonzero) digits is 54432000, while the sum is 59.

The spelling of 40203552387569 in words is "forty trillion, two hundred three billion, five hundred fifty-two million, three hundred eighty-seven thousand, five hundred sixty-nine".