40664261630654 has 8 divisors (see below), whose sum is σ = 61008792621840. Its totient is φ = 20327997423376.

The previous prime is 40664261630647. The next prime is 40664261630687. The reversal of 40664261630654 is 45603616246604.

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

It is a super-2 number, since 2×40664261630654² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40664261630596 and 40664261630605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2066683679 + ... + 2066703354.

It is an arithmetic number, because the mean of its divisors is an integer number (7626099077730).

Almost surely, 2^{40664261630654} is an apocalyptic number.

40664261630654 is a deficient number, since it is larger than the sum of its proper divisors (20344530991186).

40664261630654 is a wasteful number, since it uses less digits than its factorization.

40664261630654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4133391954.

The product of its (nonzero) digits is 14929920, while the sum is 53.

The spelling of 40664261630654 in words is "forty trillion, six hundred sixty-four billion, two hundred sixty-one million, six hundred thirty thousand, six hundred fifty-four".