1850190804 has 216 divisors, whose sum is σ = 6002313408. Its totient is φ = 475130880.

The previous prime is 1850190779. The next prime is 1850190827. The reversal of 1850190804 is 4080910581.

It is a super-2 number, since 2×1850190804² = 6846412022412332832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1881697 + ... + 1882679.

It is an arithmetic number, because the mean of its divisors is an integer number (27788488).

Almost surely, 2^1850190804 is an apocalyptic number.

1850190804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1850190804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3001156704).

1850190804 is an abundant number, since it is smaller than the sum of its proper divisors (4152122604).

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

1850190804 is a wasteful number, since it uses less digits than its factorization.

1850190804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115 (or 1103 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 1850190804 is about 43013.8443294714. The cubic root of 1850190804 is about 1227.6432285586.

The spelling of 1850190804 in words is "one billion, eight hundred fifty million, one hundred ninety thousand, eight hundred four".