40456632657488 has 10 divisors (see below), whose sum is σ = 78384725773914. Its totient is φ = 20228316328736.

The previous prime is 40456632657443. The next prime is 40456632657523. The reversal of 40456632657488 is 88475623665404.

40456632657488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 29445730137664 + 11010902519824 = 5426392^2 + 3318268^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1264269770531 + ... + 1264269770562.

Almost surely, 2^{40456632657488} is an apocalyptic number.

It is an amenable number.

40456632657488 is a deficient number, since it is larger than the sum of its proper divisors (37928093116426).

40456632657488 is a wasteful number, since it uses less digits than its factorization.

40456632657488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2528539541101 (or 2528539541095 counting only the distinct ones).

The product of its (nonzero) digits is 928972800, while the sum is 68.

The spelling of 40456632657488 in words is "forty trillion, four hundred fifty-six billion, six hundred thirty-two million, six hundred fifty-seven thousand, four hundred eighty-eight".