34455020720 has 20 divisors (see below), whose sum is σ = 80107923360. Its totient is φ = 13782008256.

The previous prime is 34455020713. The next prime is 34455020729. The reversal of 34455020720 is 2702055443.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (34455020729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215343800 + ... + 215343959.

It is an arithmetic number, because the mean of its divisors is an integer number (4005396168).

Almost surely, 2^34455020720 is an apocalyptic number.

It is an amenable number.

34455020720 is an abundant number, since it is smaller than the sum of its proper divisors (45652902640).

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

34455020720 is a wasteful number, since it uses less digits than its factorization.

34455020720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430687772 (or 430687766 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 32.

The spelling of 34455020720 in words is "thirty-four billion, four hundred fifty-five million, twenty thousand, seven hundred twenty".