40704063816 has 64 divisors (see below), whose sum is σ = 109864238400. Its totient is φ = 12492741888.

The previous prime is 40704063811. The next prime is 40704063839. The reversal of 40704063816 is 61836040704.

It is a super-2 number, since 2×40704063816² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (40704063811) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 40446 + ... + 288173.

It is an arithmetic number, because the mean of its divisors is an integer number (1716628725).

Almost surely, 2^40704063816 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 40704063816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54932119200).

40704063816 is an abundant number, since it is smaller than the sum of its proper divisors (69160174584).

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

40704063816 is a wasteful number, since it uses less digits than its factorization.

40704063816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329038 (or 329034 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 40704063816 in words is "forty billion, seven hundred four million, sixty-three thousand, eight hundred sixteen".