2894523680 has 24 divisors (see below), whose sum is σ = 6838312572. Its totient is φ = 1157809408.

The previous prime is 2894523677. The next prime is 2894523691. The reversal of 2894523680 is 863254982.

It can be written as a sum of positive squares in 2 ways, for example, as 2591624464 + 302899216 = 50908^2 + 17404^2 .

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, 9045227 + ... + 9045546.

Almost surely, 2^2894523680 is an apocalyptic number.

2894523680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2894523680 is an abundant number, since it is smaller than the sum of its proper divisors (3943788892).

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

2894523680 is a wasteful number, since it uses less digits than its factorization.

2894523680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18090788 (or 18090780 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The square root of 2894523680 is about 53800.7776895465. Note that the first 3 decimals coincide. The cubic root of 2894523680 is about 1425.1449414487.

It can be divided in two parts, 28945 and 23680, that added together give a palindrome (52625).

The spelling of 2894523680 in words is "two billion, eight hundred ninety-four million, five hundred twenty-three thousand, six hundred eighty".