40378506535 has 8 divisors (see below), whose sum is σ = 48534834096. Its totient is φ = 32249054400.

The previous prime is 40378506529. The next prime is 40378506541. The reversal of 40378506535 is 53560587304.

It is an interprime number because it is at equal distance from previous prime (40378506529) and next prime (40378506541).

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

It is not a de Polignac number, because 40378506535 - 2¹¹ = 40378504487 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, 6715549 + ... + 6721558.

It is an arithmetic number, because the mean of its divisors is an integer number (6066854262).

Almost surely, 2^40378506535 is an apocalyptic number.

40378506535 is a deficient number, since it is larger than the sum of its proper divisors (8156327561).

40378506535 is a wasteful number, since it uses less digits than its factorization.

40378506535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13437713.

The product of its (nonzero) digits is 1512000, while the sum is 46.

The spelling of 40378506535 in words is "forty billion, three hundred seventy-eight million, five hundred six thousand, five hundred thirty-five".