42430190 has 64 divisors (see below), whose sum is σ = 88335360. Its totient is φ = 14528640.

The previous prime is 42430139. The next prime is 42430253. The reversal of 42430190 is 9103424.

It is a super-2 number, since 2×42430190² = 3600642046872200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149789 + ... + 150071.

It is an arithmetic number, because the mean of its divisors is an integer number (1380240).

Almost surely, 2^42430190 is an apocalyptic number.

42430190 is an abundant number, since it is smaller than the sum of its proper divisors (45905170).

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

42430190 is a wasteful number, since it uses less digits than its factorization.

42430190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 42430190 is about 6513.8460221286. The cubic root of 42430190 is about 348.7854226769.

The spelling of 42430190 in words is "forty-two million, four hundred thirty thousand, one hundred ninety".