40105740144635 has 16 divisors (see below), whose sum is σ = 55265326133760. Its totient is φ = 27632663065440.

The previous prime is 40105740144623. The next prime is 40105740144649. The reversal of 40105740144635 is 53644104750104.

It is not a de Polignac number, because 40105740144635 - 2¹⁶ = 40105740079099 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19189348307 + ... + 19189350396.

It is an arithmetic number, because the mean of its divisors is an integer number (3454082883360).

Almost surely, 2^{40105740144635} is an apocalyptic number.

40105740144635 is a deficient number, since it is larger than the sum of its proper divisors (15159585989125).

40105740144635 is a wasteful number, since it uses less digits than its factorization.

40105740144635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38378698738.

The product of its (nonzero) digits is 806400, while the sum is 44.

Adding to 40105740144635 its reverse (53644104750104), we get a palindrome (93749844894739).

The spelling of 40105740144635 in words is "forty trillion, one hundred five billion, seven hundred forty million, one hundred forty-four thousand, six hundred thirty-five".