34931639883440 has 40 divisors (see below), whose sum is σ = 81216842302800. Its totient is φ = 13972521833216.

The previous prime is 34931639883409. The next prime is 34931639883443. The reversal of 34931639883440 is 4438893613943.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (34931639883443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6510386 + ... + 10594734.

It is an arithmetic number, because the mean of its divisors is an integer number (2030421057570).

Almost surely, 2^{34931639883440} is an apocalyptic number.

It is an amenable number.

34931639883440 is an abundant number, since it is smaller than the sum of its proper divisors (46285202419360).

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

34931639883440 is a wasteful number, since it uses less digits than its factorization.

34931639883440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4191269 (or 4191263 counting only the distinct ones).

The product of its (nonzero) digits is 161243136, while the sum is 65.

The spelling of 34931639883440 in words is "thirty-four trillion, nine hundred thirty-one billion, six hundred thirty-nine million, eight hundred eighty-three thousand, four hundred forty".