2678429256 has 32 divisors (see below), whose sum is σ = 6776753760. Its totient is φ = 882052352.

The previous prime is 2678429251. The next prime is 2678429261. The reversal of 2678429256 is 6529248762.

It is a happy number.

2678429256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2678429251) and next prime (2678429261).

It is a junction number, because it is equal to n+sod(n) for n = 2678429199 and 2678429208.

It is not an unprimeable number, because it can be changed into a prime (2678429251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670305 + ... + 674288.

It is an arithmetic number, because the mean of its divisors is an integer number (211773555).

Almost surely, 2^2678429256 is an apocalyptic number.

It is an amenable number.

2678429256 is an abundant number, since it is smaller than the sum of its proper divisors (4098324504).

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

2678429256 is a wasteful number, since it uses less digits than its factorization.

2678429256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344685 (or 1344681 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 51.

The square root of 2678429256 is about 51753.5434149199. The cubic root of 2678429256 is about 1388.7584891202.

The spelling of 2678429256 in words is "two billion, six hundred seventy-eight million, four hundred twenty-nine thousand, two hundred fifty-six".