40702868249 has 8 divisors (see below), whose sum is σ = 42613724160. Its totient is φ = 38825832976.

The previous prime is 40702868243. The next prime is 40702868251. The reversal of 40702868249 is 94286820704.

40702868249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40702868249 - 2²⁰ = 40701819673 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40702868197 and 40702868206.

It is not an unprimeable number, because it can be changed into a prime (40702868243) 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, 8452697 + ... + 8457510.

It is an arithmetic number, because the mean of its divisors is an integer number (5326715520).

Almost surely, 2^40702868249 is an apocalyptic number.

It is an amenable number.

40702868249 is a deficient number, since it is larger than the sum of its proper divisors (1910855911).

40702868249 is a wasteful number, since it uses less digits than its factorization.

40702868249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16910319.

The product of its (nonzero) digits is 1548288, while the sum is 50.

The spelling of 40702868249 in words is "forty billion, seven hundred two million, eight hundred sixty-eight thousand, two hundred forty-nine".