2445575780 has 12 divisors (see below), whose sum is σ = 5135709180. Its totient is φ = 978230304.

The previous prime is 2445575779. The next prime is 2445575801. The reversal of 2445575780 is 875755442.

It can be written as a sum of positive squares in 2 ways, for example, as 1347183616 + 1098392164 = 36704^2 + 33142^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61139375 + ... + 61139414.

It is an arithmetic number, because the mean of its divisors is an integer number (427975765).

Almost surely, 2^2445575780 is an apocalyptic number.

2445575780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2445575780 is an abundant number, since it is smaller than the sum of its proper divisors (2690133400).

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

2445575780 is a wasteful number, since it uses less digits than its factorization.

2445575780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122278798 (or 122278796 counting only the distinct ones).

The product of its (nonzero) digits is 1568000, while the sum is 47.

The square root of 2445575780 is about 49452.7631179492. The cubic root of 2445575780 is about 1347.2877929363.

The spelling of 2445575780 in words is "two billion, four hundred forty-five million, five hundred seventy-five thousand, seven hundred eighty".