40735122731 has 8 divisors (see below), whose sum is σ = 42545160240. Its totient is φ = 38962405728.

The previous prime is 40735122689. The next prime is 40735122737. The reversal of 40735122731 is 13722153704.

It is a happy number.

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 40735122731 - 2¹⁸ = 40734860587 is a prime.

It is a super-2 number, since 2×40735122731² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40735122691 and 40735122700.

It is not an unprimeable number, because it can be changed into a prime (40735122737) 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, 9327896 + ... + 9332261.

It is an arithmetic number, because the mean of its divisors is an integer number (5318145030).

Almost surely, 2^40735122731 is an apocalyptic number.

40735122731 is a deficient number, since it is larger than the sum of its proper divisors (1810037509).

40735122731 is a wasteful number, since it uses less digits than its factorization.

40735122731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18660253.

The product of its (nonzero) digits is 35280, while the sum is 35.

The spelling of 40735122731 in words is "forty billion, seven hundred thirty-five million, one hundred twenty-two thousand, seven hundred thirty-one".