40340402298 has 192 divisors, whose sum is σ = 106114095360. Its totient is φ = 11247455232.

The previous prime is 40340402287. The next prime is 40340402299. The reversal of 40340402298 is 89220404304.

40340402298 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40340402299) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 41289586 + ... + 41290562.

It is an arithmetic number, because the mean of its divisors is an integer number (552677580).

Almost surely, 2^40340402298 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40340402298, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53057047680).

40340402298 is an abundant number, since it is smaller than the sum of its proper divisors (65773693062).

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

40340402298 is a wasteful number, since it uses less digits than its factorization.

40340402298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283 (or 1271 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 40340402298 in words is "forty billion, three hundred forty million, four hundred two thousand, two hundred ninety-eight".