40605917188340 has 96 divisors (see below), whose sum is σ = 103189001981184. Its totient is φ = 13102806435840.

The previous prime is 40605917188321. The next prime is 40605917188363. The reversal of 40605917188340 is 4388171950604.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131438294 + ... + 131746866.

It is an arithmetic number, because the mean of its divisors is an integer number (1074885437304).

Almost surely, 2^{40605917188340} is an apocalyptic number.

It is an amenable number.

40605917188340 is an abundant number, since it is smaller than the sum of its proper divisors (62583084792844).

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

40605917188340 is a wasteful number, since it uses less digits than its factorization.

40605917188340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363897 (or 363895 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 40605917188340 in words is "forty trillion, six hundred five billion, nine hundred seventeen million, one hundred eighty-eight thousand, three hundred forty".