2055236340 has 24 divisors (see below), whose sum is σ = 5754661920. Its totient is φ = 548063008.

The previous prime is 2055236329. The next prime is 2055236401. The reversal of 2055236340 is 436325502.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2055236298 and 2055236307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17126910 + ... + 17127029.

It is an arithmetic number, because the mean of its divisors is an integer number (239777580).

Almost surely, 2^2055236340 is an apocalyptic number.

2055236340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2055236340 is an abundant number, since it is smaller than the sum of its proper divisors (3699425580).

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

2055236340 is a wasteful number, since it uses less digits than its factorization.

2055236340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34253951 (or 34253949 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 2055236340 is about 45334.7145132734. The cubic root of 2055236340 is about 1271.4147831090.

It can be divided in two parts, 2055 and 236340, that added together give a triangular number (238395 = T₆₉₀).

The spelling of 2055236340 in words is "two billion, fifty-five million, two hundred thirty-six thousand, three hundred forty".