40140602441 has 4 divisors (see below), whose sum is σ = 40195365252. Its totient is φ = 40085839632.

The previous prime is 40140602401. The next prime is 40140602473. The reversal of 40140602441 is 14420604104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27236551225 + 12904051216 = 165035^2 + 113596^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40140602441 is a prime.

It is a super-2 number, since 2×40140602441² (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 40140602441.

It is not an unprimeable number, because it can be changed into a prime (40140602401) 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, 27380306 + ... + 27381771.

It is an arithmetic number, because the mean of its divisors is an integer number (10048841313).

Almost surely, 2^40140602441 is an apocalyptic number.

It is an amenable number.

40140602441 is a deficient number, since it is larger than the sum of its proper divisors (54762811).

40140602441 is an equidigital number, since it uses as much as digits as its factorization.

40140602441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54762810.

The product of its (nonzero) digits is 3072, while the sum is 26.

The spelling of 40140602441 in words is "forty billion, one hundred forty million, six hundred two thousand, four hundred forty-one".