40326533654 has 48 divisors (see below), whose sum is σ = 69364990656. Its totient is φ = 17433477600.

The previous prime is 40326533651. The next prime is 40326533659. The reversal of 40326533654 is 45633562304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40326533651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1223369 + ... + 1255899.

It is an arithmetic number, because the mean of its divisors is an integer number (1445103972).

Almost surely, 2^40326533654 is an apocalyptic number.

40326533654 is a deficient number, since it is larger than the sum of its proper divisors (29038457002).

40326533654 is a wasteful number, since it uses less digits than its factorization.

40326533654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32669 (or 32640 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 41.

The spelling of 40326533654 in words is "forty billion, three hundred twenty-six million, five hundred thirty-three thousand, six hundred fifty-four".