42130404 has 36 divisors (see below), whose sum is σ = 108091984. Its totient is φ = 13833072.

The previous prime is 42130393. The next prime is 42130409. The reversal of 42130404 is 40403124.

42130404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (42130409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6322 + ... + 11145.

Almost surely, 2^42130404 is an apocalyptic number.

It is an amenable number.

42130404 is an abundant number, since it is smaller than the sum of its proper divisors (65961580).

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

42130404 is a wasteful number, since it uses less digits than its factorization.

42130404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17544 (or 17539 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 42130404 is about 6490.7937881279. The cubic root of 42130404 is about 347.9620450084.

Adding to 42130404 its reverse (40403124), we get a palindrome (82533528).

The spelling of 42130404 in words is "forty-two million, one hundred thirty thousand, four hundred four".