40343768898 has 8 divisors (see below), whose sum is σ = 80687537808. Its totient is φ = 13447922964.

The previous prime is 40343768873. The next prime is 40343768903. The reversal of 40343768898 is 89886734304.

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

40343768898 is an admirable number.

It is a Curzon 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, 3361980736 + ... + 3361980747.

It is an arithmetic number, because the mean of its divisors is an integer number (10085942226).

Almost surely, 2^40343768898 is an apocalyptic number.

40343768898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40343768898 is a wasteful number, since it uses less digits than its factorization.

40343768898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6723961488.

The product of its (nonzero) digits is 27869184, while the sum is 60.

The spelling of 40343768898 in words is "forty billion, three hundred forty-three million, seven hundred sixty-eight thousand, eight hundred ninety-eight".