40345140365 has 8 divisors (see below), whose sum is σ = 48416959968. Its totient is φ = 32274251280.

The previous prime is 40345140349. The next prime is 40345140377. The reversal of 40345140365 is 56304154304.

40345140365 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 not a de Polignac number, because 40345140365 - 2⁴ = 40345140349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133391 + ... + 313820.

It is an arithmetic number, because the mean of its divisors is an integer number (6052119996).

Almost surely, 2^40345140365 is an apocalyptic number.

It is an amenable number.

40345140365 is a deficient number, since it is larger than the sum of its proper divisors (8071819603).

40345140365 is a wasteful number, since it uses less digits than its factorization.

40345140365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465259.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 40345140365 its reverse (56304154304), we get a palindrome (96649294669).

The spelling of 40345140365 in words is "forty billion, three hundred forty-five million, one hundred forty thousand, three hundred sixty-five".