40720693012 has 24 divisors (see below), whose sum is σ = 73738886760. Its totient is φ = 19652828160.

The previous prime is 40720693003. The next prime is 40720693019. The reversal of 40720693012 is 21039602704.

40720693012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4207597956 + 36513095056 = 64866^2 + 191084^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40720693019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389608 + ... + 482944.

It is an arithmetic number, because the mean of its divisors is an integer number (3072453615).

Almost surely, 2^40720693012 is an apocalyptic number.

It is an amenable number.

40720693012 is a deficient number, since it is larger than the sum of its proper divisors (33018193748).

40720693012 is a wasteful number, since it uses less digits than its factorization.

40720693012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97131 (or 97129 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 40720693012 in words is "forty billion, seven hundred twenty million, six hundred ninety-three thousand, twelve".