40091206072 has 16 divisors (see below), whose sum is σ = 77595883200. Its totient is φ = 19398970560.

The previous prime is 40091206031. The next prime is 40091206079. The reversal of 40091206072 is 27060219004.

40091206072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40091206079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80828797 + ... + 80829292.

It is an arithmetic number, because the mean of its divisors is an integer number (4849742700).

Almost surely, 2^40091206072 is an apocalyptic number.

It is an amenable number.

40091206072 is a deficient number, since it is larger than the sum of its proper divisors (37504677128).

40091206072 is a wasteful number, since it uses less digits than its factorization.

40091206072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161658126 (or 161658122 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 40091206072 in words is "forty billion, ninety-one million, two hundred six thousand, seventy-two".