40471782976 has 21 divisors (see below), whose sum is σ = 80314388139. Its totient is φ = 20235086784.

The previous prime is 40471782971. The next prime is 40471782977. The reversal of 40471782976 is 67928717404.

It is a happy number.

The square root of 40471782976 is 201176.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40471782971) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1596835 + ... + 1621981.

Almost surely, 2^40471782976 is an apocalyptic number.

40471782976 is the 201176-th square number.

It is an amenable number.

40471782976 is a deficient number, since it is larger than the sum of its proper divisors (39842605163).

40471782976 is an frugal number, since it uses more digits than its factorization.

40471782976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50306 (or 25149 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 55.

The spelling of 40471782976 in words is "forty billion, four hundred seventy-one million, seven hundred eighty-two thousand, nine hundred seventy-six".