40597011169 has 27 divisors (see below), whose sum is σ = 48354072249. Its totient is φ = 34043243520.

The previous prime is 40597011167. The next prime is 40597011187. The reversal of 40597011169 is 96111079504.

It is a happy number.

The square root of 40597011169 is 201487.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 30995363025 + 9601648144 = 176055^2 + 97988^2 .

It is not a de Polignac number, because 40597011169 - 2¹ = 40597011167 is a prime.

It is a super-2 number, since 2×40597011169² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40597011163) 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 26 ways as a sum of consecutive naturals, for example, 28811937 + ... + 28813345.

Almost surely, 2^40597011169 is an apocalyptic number.

40597011169 is the 201487-th square number.

40597011169 is the 100744-th centered octagonal number.

It is an amenable number.

40597011169 is a deficient number, since it is larger than the sum of its proper divisors (7757061080).

40597011169 is an equidigital number, since it uses as much as digits as its factorization.

40597011169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2866 (or 1433 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 43.

The spelling of 40597011169 in words is "forty billion, five hundred ninety-seven million, eleven thousand, one hundred sixty-nine".