40736748672 has 96 divisors (see below), whose sum is σ = 119146152060. Its totient is φ = 13356288000.

The previous prime is 40736748667. The next prime is 40736748673. The reversal of 40736748672 is 27684763704.

It can be written as a sum of positive squares in 2 ways, for example, as 28701781056 + 12034967616 = 169416^2 + 109704^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (40736748673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 219579 + ... + 360122.

Almost surely, 2^40736748672 is an apocalyptic number.

It is an amenable number.

40736748672 is an abundant number, since it is smaller than the sum of its proper divisors (78409403388).

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

40736748672 is a wasteful number, since it uses less digits than its factorization.

40736748672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579782 (or 579767 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 54.

The spelling of 40736748672 in words is "forty billion, seven hundred thirty-six million, seven hundred forty-eight thousand, six hundred seventy-two".