190451712 has 104 divisors (see below), whose sum is σ = 554366880. Its totient is φ = 57671680.

The previous prime is 190451711. The next prime is 190451719. The reversal of 190451712 is 217154091.

It is a self number, because there is not a number n which added to its sum of digits gives 190451712.

It is not an unprimeable number, because it can be changed into a prime (190451711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134464 + ... + 135872.

Almost surely, 2^190451712 is an apocalyptic number.

190451712 is a gapful number since it is divisible by the number (12) 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 190451712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277183440).

190451712 is an abundant number, since it is smaller than the sum of its proper divisors (363915168).

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

190451712 is a wasteful number, since it uses less digits than its factorization.

190451712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447 (or 1425 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 190451712 is about 13800.4243413020. The cubic root of 190451712 is about 575.3449343103.

The spelling of 190451712 in words is "one hundred ninety million, four hundred fifty-one thousand, seven hundred twelve".