2894480640 has 108 divisors (see below), whose sum is σ = 10014641364. Its totient is φ = 771858432.

The previous prime is 2894480627. The next prime is 2894480651. The reversal of 2894480640 is 460844982.

2894480640 is a `hidden beast` number, since 28 + 94 + 480 + 64 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2239939584 + 654541056 = 47328^2 + 25584^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114109 + ... + 137148.

Almost surely, 2^2894480640 is an apocalyptic number.

2894480640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2894480640 is an abundant number, since it is smaller than the sum of its proper divisors (7120160724).

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

2894480640 is a wasteful number, since it uses less digits than its factorization.

2894480640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251284 (or 251267 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 2894480640 is about 53800.3776938415. The cubic root of 2894480640 is about 1425.1378777024.

The spelling of 2894480640 in words is "two billion, eight hundred ninety-four million, four hundred eighty thousand, six hundred forty".