40348475457985 has 4 divisors (see below), whose sum is σ = 48418170549588. Its totient is φ = 32278780366384.

The previous prime is 40348475457943. The next prime is 40348475458003. The reversal of 40348475457985 is 58975457484304.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19499324966416 + 20849150491569 = 4415804^2 + 4566087^2 .

It is a cyclic number.

It is not a de Polignac number, because 40348475457985 - 2³⁵ = 40314115719617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4034847545794 + ... + 4034847545803.

It is an arithmetic number, because the mean of its divisors is an integer number (12104542637397).

Almost surely, 2^{40348475457985} is an apocalyptic number.

It is an amenable number.

40348475457985 is a deficient number, since it is larger than the sum of its proper divisors (8069695091603).

40348475457985 is an equidigital number, since it uses as much as digits as its factorization.

40348475457985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8069695091602.

The product of its (nonzero) digits is 2709504000, while the sum is 73.

The spelling of 40348475457985 in words is "forty trillion, three hundred forty-eight billion, four hundred seventy-five million, four hundred fifty-seven thousand, nine hundred eighty-five".