2445403020 has 24 divisors (see below), whose sum is σ = 6847128624. Its totient is φ = 652107456.

The previous prime is 2445403019. The next prime is 2445403073. The reversal of 2445403020 is 203045442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20378299 + ... + 20378418.

It is an arithmetic number, because the mean of its divisors is an integer number (285297026).

Almost surely, 2^2445403020 is an apocalyptic number.

2445403020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2445403020 is an abundant number, since it is smaller than the sum of its proper divisors (4401725604).

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

2445403020 is a wasteful number, since it uses less digits than its factorization.

2445403020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40756729 (or 40756727 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 2445403020 is about 49451.0163697370. The cubic root of 2445403020 is about 1347.2560672214.

Adding to 2445403020 its reverse (203045442), we get a palindrome (2648448462).

The spelling of 2445403020 in words is "two billion, four hundred forty-five million, four hundred three thousand, twenty".