40247869208 has 16 divisors (see below), whose sum is σ = 75476320560. Its totient is φ = 20120850400.

The previous prime is 40247869183. The next prime is 40247869217. The reversal of 40247869208 is 80296874204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329588 + ... + 434883.

It is an arithmetic number, because the mean of its divisors is an integer number (4717270035).

Almost surely, 2^40247869208 is an apocalyptic number.

It is an amenable number.

40247869208 is a deficient number, since it is larger than the sum of its proper divisors (35228451352).

40247869208 is a wasteful number, since it uses less digits than its factorization.

40247869208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771058 (or 771054 counting only the distinct ones).

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

The spelling of 40247869208 in words is "forty billion, two hundred forty-seven million, eight hundred sixty-nine thousand, two hundred eight".