34917530640 has 80 divisors (see below), whose sum is σ = 108429185088. Its totient is φ = 9295441408.

The previous prime is 34917530629. The next prime is 34917530677. The reversal of 34917530640 is 4603571943.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 34917530592 and 34917530601.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16954 + ... + 264806.

Almost surely, 2^34917530640 is an apocalyptic number.

34917530640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34917530640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54214592544).

34917530640 is an abundant number, since it is smaller than the sum of its proper divisors (73511654448).

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

34917530640 is a wasteful number, since it uses less digits than its factorization.

34917530640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248456 (or 248450 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 34917530640 in words is "thirty-four billion, nine hundred seventeen million, five hundred thirty thousand, six hundred forty".