40447276704 has 144 divisors (see below), whose sum is σ = 122951110464. Its totient is φ = 12581606400.

The previous prime is 40447276669. The next prime is 40447276711. The reversal of 40447276704 is 40767274404.

40447276704 is a `hidden beast` number, since 40 + 4 + 472 + 76 + 70 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×40447276704² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40447276704.

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 23 ways as a sum of consecutive naturals, for example, 197119 + ... + 346049.

It is an arithmetic number, because the mean of its divisors is an integer number (853827156).

Almost surely, 2^40447276704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40447276704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61475555232).

40447276704 is an abundant number, since it is smaller than the sum of its proper divisors (82503833760).

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

40447276704 is a wasteful number, since it uses less digits than its factorization.

40447276704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149011 (or 149000 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 45.

The spelling of 40447276704 in words is "forty billion, four hundred forty-seven million, two hundred seventy-six thousand, seven hundred four".