40345810285 has 32 divisors (see below), whose sum is σ = 54333129600. Its totient is φ = 28502357760.

The previous prime is 40345810247. The next prime is 40345810289. The reversal of 40345810285 is 58201854304.

40345810285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40345810285 - 2¹³ = 40345802093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40345810289) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1243651 + ... + 1275679.

It is an arithmetic number, because the mean of its divisors is an integer number (1697910300).

Almost surely, 2^40345810285 is an apocalyptic number.

It is an amenable number.

40345810285 is a deficient number, since it is larger than the sum of its proper divisors (13987319315).

40345810285 is a wasteful number, since it uses less digits than its factorization.

40345810285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32701.

The product of its (nonzero) digits is 153600, while the sum is 40.

The spelling of 40345810285 in words is "forty billion, three hundred forty-five million, eight hundred ten thousand, two hundred eighty-five".