40121368735 has 8 divisors (see below), whose sum is σ = 55023591456. Its totient is φ = 27511795680.

The previous prime is 40121368723. The next prime is 40121368747. The reversal of 40121368735 is 53786312104.

It is an interprime number because it is at equal distance from previous prime (40121368723) and next prime (40121368747).

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

It is not a de Polignac number, because 40121368735 - 2²⁵ = 40087814303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573162376 + ... + 573162445.

It is an arithmetic number, because the mean of its divisors is an integer number (6877948932).

Almost surely, 2^40121368735 is an apocalyptic number.

40121368735 is a deficient number, since it is larger than the sum of its proper divisors (14902222721).

40121368735 is a wasteful number, since it uses less digits than its factorization.

40121368735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146324833.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 40121368735 in words is "forty billion, one hundred twenty-one million, three hundred sixty-eight thousand, seven hundred thirty-five".