40153401161 has 4 divisors (see below), whose sum is σ = 41087201232. Its totient is φ = 39219601092.

The previous prime is 40153401089. The next prime is 40153401181. The reversal of 40153401161 is 16110435104.

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 40153401161 - 2¹⁸ = 40153139017 is a prime.

It is a super-2 number, since 2×40153401161² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40153401161.

It is not an unprimeable number, because it can be changed into a prime (40153401181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466899971 + ... + 466900056.

It is an arithmetic number, because the mean of its divisors is an integer number (10271800308).

Almost surely, 2^40153401161 is an apocalyptic number.

It is an amenable number.

40153401161 is a deficient number, since it is larger than the sum of its proper divisors (933800071).

40153401161 is an equidigital number, since it uses as much as digits as its factorization.

40153401161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933800070.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 40153401161 its reverse (16110435104), we get a palindrome (56263836265).

The spelling of 40153401161 in words is "forty billion, one hundred fifty-three million, four hundred one thousand, one hundred sixty-one".