40165554353 has 4 divisors (see below), whose sum is σ = 40277436480. Its totient is φ = 40053672228.

The previous prime is 40165554323. The next prime is 40165554413. The reversal of 40165554353 is 35345556104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40165554353 - 2²² = 40161360049 is a prime.

It is a super-2 number, since 2×40165554353² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40165554353.

It is not an unprimeable number, because it can be changed into a prime (40165554323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55940525 + ... + 55941242.

It is an arithmetic number, because the mean of its divisors is an integer number (10069359120).

Almost surely, 2^40165554353 is an apocalyptic number.

It is an amenable number.

40165554353 is a deficient number, since it is larger than the sum of its proper divisors (111882127).

40165554353 is a wasteful number, since it uses less digits than its factorization.

40165554353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111882126.

The product of its (nonzero) digits is 540000, while the sum is 41.

The spelling of 40165554353 in words is "forty billion, one hundred sixty-five million, five hundred fifty-four thousand, three hundred fifty-three".