1855520034 has 16 divisors (see below), whose sum is σ = 3712049472. Its totient is φ = 618338448.

The previous prime is 1855520033. The next prime is 1855520039. The reversal of 1855520034 is 4300255581.

It is a super-2 number, since 2×1855520034² = 6885909193150722312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1855519977 and 1855520004.

It is not an unprimeable number, because it can be changed into a prime (1855520033) 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, 17014 + ... + 63249.

It is an arithmetic number, because the mean of its divisors is an integer number (232003092).

Almost surely, 2^1855520034 is an apocalyptic number.

1855520034 is an abundant number, since it is smaller than the sum of its proper divisors (1856529438).

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

1855520034 is a wasteful number, since it uses less digits than its factorization.

1855520034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84121.

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 1855520034 is about 43075.7476313528. The cubic root of 1855520034 is about 1228.8207866861.

The spelling of 1855520034 in words is "one billion, eight hundred fifty-five million, five hundred twenty thousand, thirty-four".