34664780640 has 96 divisors (see below), whose sum is σ = 124793222400. Its totient is φ = 7923377664.

The previous prime is 34664780621. The next prime is 34664780651. The reversal of 34664780640 is 4608746643.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 34664780640.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5155090 + ... + 5161809.

It is an arithmetic number, because the mean of its divisors is an integer number (1299929400).

Almost surely, 2^34664780640 is an apocalyptic number.

34664780640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34664780640 is an abundant number, since it is smaller than the sum of its proper divisors (90128441760).

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

34664780640 is a wasteful number, since it uses less digits than its factorization.

34664780640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10316924 (or 10316916 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 48.

The spelling of 34664780640 in words is "thirty-four billion, six hundred sixty-four million, seven hundred eighty thousand, six hundred forty".