40242343654 has 8 divisors (see below), whose sum is σ = 60502924440. Its totient is φ = 20074702176.

The previous prime is 40242343597. The next prime is 40242343697. The reversal of 40242343654 is 45634324204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23233744 + ... + 23235475.

It is an arithmetic number, because the mean of its divisors is an integer number (7562865555).

Almost surely, 2^40242343654 is an apocalyptic number.

40242343654 is a deficient number, since it is larger than the sum of its proper divisors (20260580786).

40242343654 is a wasteful number, since it uses less digits than its factorization.

40242343654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46469654.

The product of its (nonzero) digits is 276480, while the sum is 37.

Adding to 40242343654 its reverse (45634324204), we get a palindrome (85876667858).

The spelling of 40242343654 in words is "forty billion, two hundred forty-two million, three hundred forty-three thousand, six hundred fifty-four".