40685142464593 has 16 divisors (see below), whose sum is σ = 47565238674816. Its totient is φ = 34422212183040.

The previous prime is 40685142464591. The next prime is 40685142464599. The reversal of 40685142464593 is 39546424158604.

It is not a de Polignac number, because 40685142464593 - 2¹ = 40685142464591 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40685142464591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2173110096 + ... + 2173128817.

It is an arithmetic number, because the mean of its divisors is an integer number (2972827417176).

Almost surely, 2^{40685142464593} is an apocalyptic number.

It is an amenable number.

40685142464593 is a deficient number, since it is larger than the sum of its proper divisors (6880096210223).

40685142464593 is a wasteful number, since it uses less digits than its factorization.

40685142464593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4346238984.

The product of its (nonzero) digits is 99532800, while the sum is 61.

The spelling of 40685142464593 in words is "forty trillion, six hundred eighty-five billion, one hundred forty-two million, four hundred sixty-four thousand, five hundred ninety-three".