40731496704 has 216 divisors, whose sum is σ = 122926323520. Its totient is φ = 13450364928.

The previous prime is 40731496691. The next prime is 40731496711. The reversal of 40731496704 is 40769413704.

It is a tau number, because it is divible by the number of its divisors (216).

It is a self number, because there is not a number n which added to its sum of digits gives 40731496704.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6777669 + ... + 6783675.

Almost surely, 2^40731496704 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 40731496704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61463161760).

40731496704 is an abundant number, since it is smaller than the sum of its proper divisors (82194826816).

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

40731496704 is an equidigital number, since it uses as much as digits as its factorization.

40731496704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6147 (or 6121 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 40731496704 in words is "forty billion, seven hundred thirty-one million, four hundred ninety-six thousand, seven hundred four".