40240242144323 has 16 divisors (see below), whose sum is σ = 43691440128000. Its totient is φ = 36840067106976.

The previous prime is 40240242144307. The next prime is 40240242144449. The reversal of 40240242144323 is 32344124204204.

It is a cyclic number.

It is not a de Polignac number, because 40240242144323 - 2⁴ = 40240242144307 is a prime.

It is a super-2 number, since 2×40240242144323² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40240242144523) 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, 887786 + ... + 9014912.

It is an arithmetic number, because the mean of its divisors is an integer number (2730715008000).

Almost surely, 2^{40240242144323} is an apocalyptic number.

40240242144323 is a deficient number, since it is larger than the sum of its proper divisors (3451197983677).

40240242144323 is a wasteful number, since it uses less digits than its factorization.

40240242144323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8130266.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 40240242144323 its reverse (32344124204204), we get a palindrome (72584366348527).

The spelling of 40240242144323 in words is "forty trillion, two hundred forty billion, two hundred forty-two million, one hundred forty-four thousand, three hundred twenty-three".