2629078420 has 12 divisors (see below), whose sum is σ = 5521064724. Its totient is φ = 1051631360.

The previous prime is 2629078381. The next prime is 2629078421. The reversal of 2629078420 is 248709262.

It can be written as a sum of positive squares in 2 ways, for example, as 2070796036 + 558282384 = 45506^2 + 23628^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2629078421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65726941 + ... + 65726980.

It is an arithmetic number, because the mean of its divisors is an integer number (460088727).

Almost surely, 2^2629078420 is an apocalyptic number.

2629078420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2629078420 is an abundant number, since it is smaller than the sum of its proper divisors (2891986304).

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

2629078420 is a wasteful number, since it uses less digits than its factorization.

2629078420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131453930 (or 131453928 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 2629078420 is about 51274.5396858909. The cubic root of 2629078420 is about 1380.1761344882.

The spelling of 2629078420 in words is "two billion, six hundred twenty-nine million, seventy-eight thousand, four hundred twenty".