40143238361 has 8 divisors (see below), whose sum is σ = 42629989920. Its totient is φ = 37693881792.

The previous prime is 40143238339. The next prime is 40143238381. The reversal of 40143238361 is 16383234104.

40143238361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40143238361 - 2¹⁴ = 40143221977 is a prime.

It is a super-2 number, since 2×40143238361² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40143238381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9346535 + ... + 9350828.

It is an arithmetic number, because the mean of its divisors is an integer number (5328748740).

Almost surely, 2^40143238361 is an apocalyptic number.

It is an amenable number.

40143238361 is a deficient number, since it is larger than the sum of its proper divisors (2486751559).

40143238361 is a wasteful number, since it uses less digits than its factorization.

40143238361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18697495.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 40143238361 in words is "forty billion, one hundred forty-three million, two hundred thirty-eight thousand, three hundred sixty-one".