40340737340 has 24 divisors (see below), whose sum is σ = 85736221200. Its totient is φ = 15941881088.

The previous prime is 40340737337. The next prime is 40340737397. The reversal of 40340737340 is 4373704304.

It is a self number, because there is not a number n which added to its sum of digits gives 40340737340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12149165 + ... + 12152484.

It is an arithmetic number, because the mean of its divisors is an integer number (3572342550).

Almost surely, 2^40340737340 is an apocalyptic number.

It is an amenable number.

40340737340 is an abundant number, since it is smaller than the sum of its proper divisors (45395483860).

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

40340737340 is a wasteful number, since it uses less digits than its factorization.

40340737340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24301741 (or 24301739 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 35.

The spelling of 40340737340 in words is "forty billion, three hundred forty million, seven hundred thirty-seven thousand, three hundred forty".