40238365141 has 4 divisors (see below), whose sum is σ = 43333624012. Its totient is φ = 37143106272.

The previous prime is 40238365081. The next prime is 40238365213. The reversal of 40238365141 is 14156383204.

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 4041780625 + 36196584516 = 63575^2 + 190254^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40238365141 is a prime.

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 40238365141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40238369141) 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, 1547629416 + ... + 1547629441.

It is an arithmetic number, because the mean of its divisors is an integer number (10833406003).

Almost surely, 2^40238365141 is an apocalyptic number.

It is an amenable number.

40238365141 is a deficient number, since it is larger than the sum of its proper divisors (3095258871).

40238365141 is a wasteful number, since it uses less digits than its factorization.

40238365141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3095258870.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 40238365141 in words is "forty billion, two hundred thirty-eight million, three hundred sixty-five thousand, one hundred forty-one".