40742433323845 has 32 divisors (see below), whose sum is σ = 55657174616064. Its totient is φ = 28341193108800.

The previous prime is 40742433323843. The next prime is 40742433323863. The reversal of 40742433323845 is 54832333424704.

It is not a de Polignac number, because 40742433323845 - 2¹ = 40742433323843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40742433323792 and 40742433323801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40742433323843) 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, 25776030 + ... + 27310960.

It is an arithmetic number, because the mean of its divisors is an integer number (1739286706752).

Almost surely, 2^{40742433323845} is an apocalyptic number.

It is an amenable number.

40742433323845 is a deficient number, since it is larger than the sum of its proper divisors (14914741292219).

40742433323845 is a wasteful number, since it uses less digits than its factorization.

40742433323845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555953.

The product of its (nonzero) digits is 23224320, while the sum is 52.

The spelling of 40742433323845 in words is "forty trillion, seven hundred forty-two billion, four hundred thirty-three million, three hundred twenty-three thousand, eight hundred forty-five".