2345105280 has 128 divisors (see below), whose sum is σ = 8542932480. Its totient is φ = 536020992.

The previous prime is 2345105209. The next prime is 2345105281. The reversal of 2345105280 is 825015432.

2345105280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2345105281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73804 + ... + 100683.

It is an arithmetic number, because the mean of its divisors is an integer number (66741660).

Almost surely, 2^2345105280 is an apocalyptic number.

2345105280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2345105280 is an abundant number, since it is smaller than the sum of its proper divisors (6197827200).

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

2345105280 is a wasteful number, since it uses less digits than its factorization.

2345105280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174516 (or 174504 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 2345105280 is about 48426.2870763390. The cubic root of 2345105280 is about 1328.5791976818.

The spelling of 2345105280 in words is "two billion, three hundred forty-five million, one hundred five thousand, two hundred eighty".