190490528387 has 8 divisors (see below), whose sum is σ = 190689723840. Its totient is φ = 190291389120.

The previous prime is 190490528359. The next prime is 190490528461. The reversal of 190490528387 is 783825094091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 190490528387 - 2³⁰ = 189416786563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190490528687) 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, 11135813 + ... + 11152905.

It is an arithmetic number, because the mean of its divisors is an integer number (23836215480).

Almost surely, 2^190490528387 is an apocalyptic number.

190490528387 is a deficient number, since it is larger than the sum of its proper divisors (199195453).

190490528387 is a wasteful number, since it uses less digits than its factorization.

190490528387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28093.

The product of its (nonzero) digits is 4354560, while the sum is 56.

The spelling of 190490528387 in words is "one hundred ninety billion, four hundred ninety million, five hundred twenty-eight thousand, three hundred eighty-seven".