40337067368 has 48 divisors (see below), whose sum is σ = 81975043980. Its totient is φ = 18599453184.

The previous prime is 40337067349. The next prime is 40337067383. The reversal of 40337067368 is 86376073304.

It can be written as a sum of positive squares in 6 ways, for example, as 3757444804 + 36579622564 = 61298^2 + 191258^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1469546 + ... + 1496742.

Almost surely, 2^40337067368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40337067368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40987521990).

40337067368 is an abundant number, since it is smaller than the sum of its proper divisors (41637976612).

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

40337067368 is a wasteful number, since it uses less digits than its factorization.

40337067368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28326 (or 28309 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 47.

The spelling of 40337067368 in words is "forty billion, three hundred thirty-seven million, sixty-seven thousand, three hundred sixty-eight".