2445804720 has 120 divisors (see below), whose sum is σ = 8518111056. Its totient is φ = 652209408.

The previous prime is 2445804707. The next prime is 2445804721. The reversal of 2445804720 is 274085442.

2445804720 is a `hidden beast` number, since 2 + 4 + 4 + 580 + 4 + 72 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2445804721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43467 + ... + 82346.

Almost surely, 2^2445804720 is an apocalyptic number.

2445804720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2445804720 is an abundant number, since it is smaller than the sum of its proper divisors (6072306336).

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

2445804720 is a wasteful number, since it uses less digits than its factorization.

2445804720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125841 (or 125823 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The square root of 2445804720 is about 49455.0777979370. The cubic root of 2445804720 is about 1347.3298332669.

The spelling of 2445804720 in words is "two billion, four hundred forty-five million, eight hundred four thousand, seven hundred twenty".