2678471940 has 24 divisors (see below), whose sum is σ = 7499721600. Its totient is φ = 714259168.

The previous prime is 2678471899. The next prime is 2678471959. The reversal of 2678471940 is 491748762.

2678471940 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2678471940.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22320540 + ... + 22320659.

It is an arithmetic number, because the mean of its divisors is an integer number (312488400).

Almost surely, 2^2678471940 is an apocalyptic number.

2678471940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2678471940 is an abundant number, since it is smaller than the sum of its proper divisors (4821249660).

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

2678471940 is a wasteful number, since it uses less digits than its factorization.

2678471940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44641211 (or 44641209 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 48.

The square root of 2678471940 is about 51753.9557908379. The cubic root of 2678471940 is about 1388.7658662614.

The spelling of 2678471940 in words is "two billion, six hundred seventy-eight million, four hundred seventy-one thousand, nine hundred forty".