190120464 has 60 divisors (see below), whose sum is σ = 538517616. Its totient is φ = 62606016.

The previous prime is 190120459. The next prime is 190120493. The reversal of 190120464 is 464021091.

190120464 is a `hidden beast` number, since 190 + 12 + 0 + 464 = 666.

It is a super-2 number, since 2×190120464² = 72291581663150592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3999 + ... + 19905.

Almost surely, 2^190120464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190120464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269258808).

190120464 is an abundant number, since it is smaller than the sum of its proper divisors (348397152).

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

190120464 is a wasteful number, since it uses less digits than its factorization.

190120464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16004 (or 15995 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 190120464 is about 13788.4177482407. The cubic root of 190120464 is about 575.0111796188.

The spelling of 190120464 in words is "one hundred ninety million, one hundred twenty thousand, four hundred sixty-four".