40654240634 has 64 divisors (see below), whose sum is σ = 72118667520. Its totient is φ = 16829836800.

The previous prime is 40654240631. The next prime is 40654240667. The reversal of 40654240634 is 43604245604.

It is not an unprimeable number, because it can be changed into a prime (40654240631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11427584 + ... + 11431140.

It is an arithmetic number, because the mean of its divisors is an integer number (1126854180).

Almost surely, 2^40654240634 is an apocalyptic number.

40654240634 is a deficient number, since it is larger than the sum of its proper divisors (31464426886).

40654240634 is a wasteful number, since it uses less digits than its factorization.

40654240634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3863.

The product of its (nonzero) digits is 276480, while the sum is 38.

The spelling of 40654240634 in words is "forty billion, six hundred fifty-four million, two hundred forty thousand, six hundred thirty-four".