2055331540 has 24 divisors (see below), whose sum is σ = 4347707112. Its totient is φ = 816130560.

The previous prime is 2055331519. The next prime is 2055331547. The reversal of 2055331540 is 451335502.

It can be written as a sum of positive squares in 4 ways, for example, as 493817284 + 1561514256 = 22222^2 + 39516^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2055331499 and 2055331508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055331547) 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, 372321 + ... + 377800.

It is an arithmetic number, because the mean of its divisors is an integer number (181154463).

Almost surely, 2^2055331540 is an apocalyptic number.

2055331540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2055331540 is an abundant number, since it is smaller than the sum of its proper divisors (2292375572).

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

2055331540 is a wasteful number, since it uses less digits than its factorization.

2055331540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750267 (or 750265 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 2055331540 is about 45335.7644691253. The cubic root of 2055331540 is about 1271.4344137497.

It can be divided in two parts, 205 and 5331540, that added together give a triangular number (5331745 = T₃₂₆₅).

The spelling of 2055331540 in words is "two billion, fifty-five million, three hundred thirty-one thousand, five hundred forty".