190481280 has 256 divisors, whose sum is σ = 687398400. Its totient is φ = 44441600.

The previous prime is 190481273. The next prime is 190481303. The reversal of 190481280 is 82184091.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 612325 + ... + 612635.

It is an arithmetic number, because the mean of its divisors is an integer number (2685150).

Almost surely, 2^190481280 is an apocalyptic number.

190481280 is a gapful number since it is divisible by the number (10) 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 190481280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343699200).

190481280 is an abundant number, since it is smaller than the sum of its proper divisors (496917120).

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

190481280 is a wasteful number, since it uses less digits than its factorization.

190481280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 190481280 is about 13801.4955711329. The cubic root of 190481280 is about 575.3747072442.

The spelling of 190481280 in words is "one hundred ninety million, four hundred eighty-one thousand, two hundred eighty".