190425042 has 24 divisors (see below), whose sum is σ = 419353740. Its totient is φ = 62434080.

The previous prime is 190425031. The next prime is 190425101. The reversal of 190425042 is 240524091.

It can be written as a sum of positive squares in 2 ways, for example, as 189035001 + 1390041 = 13749^2 + 1179^2 .

It is a junction number, because it is equal to n+sod(n) for n = 190424997 and 190425015.

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, 85617 + ... + 87812.

Almost surely, 2^190425042 is an apocalyptic number.

190425042 is an abundant number, since it is smaller than the sum of its proper divisors (228928698).

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

190425042 is a wasteful number, since it uses less digits than its factorization.

190425042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173498 (or 173495 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 190425042 is about 13799.4580328359. The cubic root of 190425042 is about 575.3180768188.

The spelling of 190425042 in words is "one hundred ninety million, four hundred twenty-five thousand, forty-two".