34645648980 has 96 divisors (see below), whose sum is σ = 100245454848. Its totient is φ = 8931139200.

The previous prime is 34645648957. The next prime is 34645649033. The reversal of 34645648980 is 8984654643.

It is a self number, because there is not a number n which added to its sum of digits gives 34645648980.

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, 1796469 + ... + 1815651.

It is an arithmetic number, because the mean of its divisors is an integer number (1044223488).

Almost surely, 2^34645648980 is an apocalyptic number.

34645648980 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 34645648980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50122727424).

34645648980 is an abundant number, since it is smaller than the sum of its proper divisors (65599805868).

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

34645648980 is a wasteful number, since it uses less digits than its factorization.

34645648980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20197 (or 20195 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 57.

The spelling of 34645648980 in words is "thirty-four billion, six hundred forty-five million, six hundred forty-eight thousand, nine hundred eighty".