2655636420 has 48 divisors (see below), whose sum is σ = 7617149568. Its totient is φ = 690896640.

The previous prime is 2655636407. The next prime is 2655636427. The reversal of 2655636420 is 246365562.

2655636420 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2655636427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 537304 + ... + 542223.

It is an arithmetic number, because the mean of its divisors is an integer number (158690616).

Almost surely, 2^2655636420 is an apocalyptic number.

2655636420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2655636420 is an abundant number, since it is smaller than the sum of its proper divisors (4961513148).

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

2655636420 is a wasteful number, since it uses less digits than its factorization.

2655636420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079580 (or 1079578 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

The square root of 2655636420 is about 51532.8673760737. The cubic root of 2655636420 is about 1384.8079199450.

The spelling of 2655636420 in words is "two billion, six hundred fifty-five million, six hundred thirty-six thousand, four hundred twenty".