2678401296 has 40 divisors (see below), whose sum is σ = 7688004960. Its totient is φ = 892800288.

The previous prime is 2678401261. The next prime is 2678401309. The reversal of 2678401296 is 6921048762.

It is a happy number.

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, 3099570 + ... + 3100433.

It is an arithmetic number, because the mean of its divisors is an integer number (192200124).

Almost surely, 2^2678401296 is an apocalyptic number.

It is an amenable number.

2678401296 is an abundant number, since it is smaller than the sum of its proper divisors (5009603664).

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

2678401296 is a wasteful number, since it uses less digits than its factorization.

2678401296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6200020 (or 6200008 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 2678401296 is about 51753.2732877835. The cubic root of 2678401296 is about 1388.7536567080.

The spelling of 2678401296 in words is "two billion, six hundred seventy-eight million, four hundred one thousand, two hundred ninety-six".