2678964480 has 108 divisors (see below), whose sum is σ = 9268977900. Its totient is φ = 714387456.

The previous prime is 2678964473. The next prime is 2678964481. The reversal of 2678964480 is 844698762.

2678964480 is a `hidden beast` number, since 2 + 6 + 78 + 96 + 4 + 480 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2074984704 + 603979776 = 45552^2 + 24576^2 .

It is not an unprimeable number, because it can be changed into a prime (2678964481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104755 + ... + 127794.

Almost surely, 2^2678964480 is an apocalyptic number.

2678964480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2678964480 is an abundant number, since it is smaller than the sum of its proper divisors (6590013420).

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

2678964480 is a wasteful number, since it uses less digits than its factorization.

2678964480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232576 (or 232559 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The square root of 2678964480 is about 51758.7140489406. The cubic root of 2678964480 is about 1388.8509870356.

The spelling of 2678964480 in words is "two billion, six hundred seventy-eight million, nine hundred sixty-four thousand, four hundred eighty".