40023667654 has 8 divisors (see below), whose sum is σ = 60036975720. Its totient is φ = 20011342416.

The previous prime is 40023667627. The next prime is 40023667657. The reversal of 40023667654 is 45676632004.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40023667654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40023667657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133684 + ... + 312919.

It is an arithmetic number, because the mean of its divisors is an integer number (7504621965).

Almost surely, 2^40023667654 is an apocalyptic number.

40023667654 is a deficient number, since it is larger than the sum of its proper divisors (20013308066).

40023667654 is a wasteful number, since it uses less digits than its factorization.

40023667654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491414.

The product of its (nonzero) digits is 725760, while the sum is 43.

The spelling of 40023667654 in words is "forty billion, twenty-three million, six hundred sixty-seven thousand, six hundred fifty-four".