2945405800 has 24 divisors (see below), whose sum is σ = 6848068950. Its totient is φ = 1178162240.

The previous prime is 2945405797. The next prime is 2945405833. The reversal of 2945405800 is 85045492.

It can be written as a sum of positive squares in 3 ways, for example, as 2237100804 + 708304996 = 47298^2 + 26614^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2945405800.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7363315 + ... + 7363714.

Almost surely, 2^2945405800 is an apocalyptic number.

2945405800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2945405800 is an abundant number, since it is smaller than the sum of its proper divisors (3902663150).

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

2945405800 is a wasteful number, since it uses less digits than its factorization.

2945405800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14727045 (or 14727036 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 2945405800 is about 54271.5929377423. The cubic root of 2945405800 is about 1433.4472393102.

The spelling of 2945405800 in words is "two billion, nine hundred forty-five million, four hundred five thousand, eight hundred".