2845149720 has 96 divisors (see below), whose sum is σ = 9929012400. Its totient is φ = 650318592.

The previous prime is 2845149709. The next prime is 2845149751. The reversal of 2845149720 is 279415482.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 236055 + ... + 247814.

Almost surely, 2^2845149720 is an apocalyptic number.

2845149720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2845149720 is an abundant number, since it is smaller than the sum of its proper divisors (7083862680).

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

2845149720 is a wasteful number, since it uses less digits than its factorization.

2845149720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483897 (or 483886 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 2845149720 is about 53339.9448818613. The cubic root of 2845149720 is about 1416.9951868026.

The spelling of 2845149720 in words is "two billion, eight hundred forty-five million, one hundred forty-nine thousand, seven hundred twenty".