2855181500 has 24 divisors (see below), whose sum is σ = 6235717488. Its totient is φ = 1142072400.

The previous prime is 2855181487. The next prime is 2855181503. The reversal of 2855181500 is 51815582.

It is a super-2 number, since 2×2855181500² = 16304122795884500000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2855181503) 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, 2854682 + ... + 2855681.

It is an arithmetic number, because the mean of its divisors is an integer number (259821562).

Almost surely, 2^2855181500 is an apocalyptic number.

2855181500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2855181500 is an abundant number, since it is smaller than the sum of its proper divisors (3380535988).

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

2855181500 is a wasteful number, since it uses less digits than its factorization.

2855181500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5710382 (or 5710370 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 35.

The square root of 2855181500 is about 53433.8984166418. The cubic root of 2855181500 is about 1418.6586387636.

The spelling of 2855181500 in words is "two billion, eight hundred fifty-five million, one hundred eighty-one thousand, five hundred".