190044460 has 48 divisors (see below), whose sum is σ = 421596000. Its totient is φ = 71760384.

The previous prime is 190044433. The next prime is 190044499. The reversal of 190044460 is 64440091.

It is a super-2 number, since 2×190044460² = 72233793553383200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131904 + ... + 133336.

It is an arithmetic number, because the mean of its divisors is an integer number (8783250).

Almost surely, 2^190044460 is an apocalyptic number.

190044460 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 190044460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210798000).

190044460 is an abundant number, since it is smaller than the sum of its proper divisors (231551540).

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

190044460 is a wasteful number, since it uses less digits than its factorization.

190044460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810 (or 1808 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 190044460 is about 13785.6613914603. The cubic root of 190044460 is about 574.9345457945.

It can be divided in two parts, 1900 and 44460, that added together give a triangular number (46360 = T₃₀₄).

The spelling of 190044460 in words is "one hundred ninety million, forty-four thousand, four hundred sixty".