40608684390 has 16 divisors (see below), whose sum is σ = 97460842608. Its totient is φ = 10828982496.

The previous prime is 40608684377. The next prime is 40608684419. The reversal of 40608684390 is 9348680604.

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, 676811377 + ... + 676811436.

It is an arithmetic number, because the mean of its divisors is an integer number (6091302663).

Almost surely, 2^40608684390 is an apocalyptic number.

40608684390 is an abundant number, since it is smaller than the sum of its proper divisors (56852158218).

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

40608684390 is a wasteful number, since it uses less digits than its factorization.

40608684390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353622823.

The product of its (nonzero) digits is 995328, while the sum is 48.

The spelling of 40608684390 in words is "forty billion, six hundred eight million, six hundred eighty-four thousand, three hundred ninety".