40720067364 has 24 divisors (see below), whose sum is σ = 97035055488. Its totient is φ = 13284560800.

The previous prime is 40720067363. The next prime is 40720067371. The reversal of 40720067364 is 46376002704.

It is a super-2 number, since 2×40720067364² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40720067363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36098787 + ... + 36099914.

It is an arithmetic number, because the mean of its divisors is an integer number (4043127312).

Almost surely, 2^40720067364 is an apocalyptic number.

It is an amenable number.

40720067364 is an abundant number, since it is smaller than the sum of its proper divisors (56314988124).

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

40720067364 is a wasteful number, since it uses less digits than its factorization.

40720067364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72198755 (or 72198753 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 39.

The spelling of 40720067364 in words is "forty billion, seven hundred twenty million, sixty-seven thousand, three hundred sixty-four".