1855245096 has 72 divisors (see below), whose sum is σ = 5192128890. Its totient is φ = 598443840.

The previous prime is 1855245089. The next prime is 1855245143. The reversal of 1855245096 is 6905425581.

1855245096 is a `hidden beast` number, since 1 + 8 + 552 + 4 + 5 + 0 + 96 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1397712996 + 457532100 = 37386^2 + 21390^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 55786 + ... + 82598.

Almost surely, 2^1855245096 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1855245096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2596064445).

1855245096 is an abundant number, since it is smaller than the sum of its proper divisors (3336883794).

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

1855245096 is a wasteful number, since it uses less digits than its factorization.

1855245096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26887 (or 26849 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The square root of 1855245096 is about 43072.5561814016. The cubic root of 1855245096 is about 1228.7600909941.

The spelling of 1855245096 in words is "one billion, eight hundred fifty-five million, two hundred forty-five thousand, ninety-six".