2678826630 has 64 divisors (see below), whose sum is σ = 6500564928. Its totient is φ = 706467840.

The previous prime is 2678826611. The next prime is 2678826637. The reversal of 2678826630 is 366288762.

It is a happy number.

It is a super-2 number, since 2×2678826630² = 14352224227194313800, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2678826630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2678826637) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1096210 + ... + 1098650.

It is an arithmetic number, because the mean of its divisors is an integer number (101571327).

Almost surely, 2^2678826630 is an apocalyptic number.

2678826630 is an abundant number, since it is smaller than the sum of its proper divisors (3821738298).

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

2678826630 is a wasteful number, since it uses less digits than its factorization.

2678826630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2841.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The square root of 2678826630 is about 51757.3823719863. The cubic root of 2678826630 is about 1388.8271648469.

The spelling of 2678826630 in words is "two billion, six hundred seventy-eight million, eight hundred twenty-six thousand, six hundred thirty".