40447072368 has 60 divisors (see below), whose sum is σ = 113259690648. Its totient is φ = 13474727040.

The previous prime is 40447072331. The next prime is 40447072381. The reversal of 40447072368 is 86327074404.

40447072368 is a `hidden beast` number, since 404 + 4 + 7 + 0 + 7 + 236 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178738 + ... + 335918.

Almost surely, 2^40447072368 is an apocalyptic number.

40447072368 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40447072368 is an abundant number, since it is smaller than the sum of its proper divisors (72812618280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40447072368 is a wasteful number, since it uses less digits than its factorization.

40447072368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158982 (or 158973 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 45.

The spelling of 40447072368 in words is "forty billion, four hundred forty-seven million, seventy-two thousand, three hundred sixty-eight".