40656267548 has 48 divisors (see below), whose sum is σ = 77409259200. Its totient is φ = 18572488704.

The previous prime is 40656267541. The next prime is 40656267611. The reversal of 40656267548 is 84576265604.

It is a self number, because there is not a number n which added to its sum of digits gives 40656267548.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40656267541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1986986 + ... + 2007342.

It is an arithmetic number, because the mean of its divisors is an integer number (1612692900).

Almost surely, 2^40656267548 is an apocalyptic number.

It is an amenable number.

40656267548 is a deficient number, since it is larger than the sum of its proper divisors (36752991652).

40656267548 is a wasteful number, since it uses less digits than its factorization.

40656267548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20766 (or 20764 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 53.

The spelling of 40656267548 in words is "forty billion, six hundred fifty-six million, two hundred sixty-seven thousand, five hundred forty-eight".