40245410785 has 64 divisors (see below), whose sum is σ = 56633230080. Its totient is φ = 27248762880.

The previous prime is 40245410783. The next prime is 40245410827. The reversal of 40245410785 is 58701454204.

It is not a de Polignac number, because 40245410785 - 2¹ = 40245410783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40245410783) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 2441742 + ... + 2458168.

It is an arithmetic number, because the mean of its divisors is an integer number (884894220).

Almost surely, 2^40245410785 is an apocalyptic number.

It is an amenable number.

40245410785 is a deficient number, since it is larger than the sum of its proper divisors (16387819295).

40245410785 is a wasteful number, since it uses less digits than its factorization.

40245410785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16546.

The product of its (nonzero) digits is 179200, while the sum is 40.

Adding to 40245410785 its reverse (58701454204), we get a palindrome (98946864989).

The spelling of 40245410785 in words is "forty billion, two hundred forty-five million, four hundred ten thousand, seven hundred eighty-five".