2635255420 has 24 divisors (see below), whose sum is σ = 6324613344. Its totient is φ = 903516096.

The previous prime is 2635255411. The next prime is 2635255421. The reversal of 2635255420 is 245525362.

It is a super-2 number, since 2×2635255420² = 13889142257278752800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2635255421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9411487 + ... + 9411766.

It is an arithmetic number, because the mean of its divisors is an integer number (263525556).

Almost surely, 2^2635255420 is an apocalyptic number.

2635255420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2635255420 is an abundant number, since it is smaller than the sum of its proper divisors (3689357924).

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

2635255420 is a wasteful number, since it uses less digits than its factorization.

2635255420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18823269 (or 18823267 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

The square root of 2635255420 is about 51334.7389201504. The cubic root of 2635255420 is about 1381.2561935528.

The spelling of 2635255420 in words is "two billion, six hundred thirty-five million, two hundred fifty-five thousand, four hundred twenty".