1890552150 has 240 divisors, whose sum is σ = 5634242064. Its totient is φ = 470292480.

The previous prime is 1890552149. The next prime is 1890552161. The reversal of 1890552150 is 512550981.

It is a happy number.

1890552150 is a `hidden beast` number, since 1 + 8 + 90 + 552 + 15 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 16730494 + ... + 16730606.

Almost surely, 2^1890552150 is an apocalyptic number.

1890552150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1890552150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2817121032).

1890552150 is an abundant number, since it is smaller than the sum of its proper divisors (3743689914).

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

1890552150 is an equidigital number, since it uses as much as digits as its factorization.

1890552150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 36.

The square root of 1890552150 is about 43480.4801031451. The cubic root of 1890552150 is about 1236.5059786260.

The spelling of 1890552150 in words is "one billion, eight hundred ninety million, five hundred fifty-two thousand, one hundred fifty".