2155635330 has 32 divisors (see below), whose sum is σ = 5235862464. Its totient is φ = 567909696.

The previous prime is 2155635301. The next prime is 2155635341. The reversal of 2155635330 is 335365512.

It is a junction number, because it is equal to n+sod(n) for n = 2155635291 and 2155635300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430369 + ... + 435348.

It is an arithmetic number, because the mean of its divisors is an integer number (163620702).

Almost surely, 2^2155635330 is an apocalyptic number.

2155635330 is an abundant number, since it is smaller than the sum of its proper divisors (3080227134).

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

2155635330 is a wasteful number, since it uses less digits than its factorization.

2155635330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865810.

The product of its (nonzero) digits is 40500, while the sum is 33.

The square root of 2155635330 is about 46428.8200366970. The cubic root of 2155635330 is about 1291.7895420440.

The spelling of 2155635330 in words is "two billion, one hundred fifty-five million, six hundred thirty-five thousand, three hundred thirty".