42403130 has 48 divisors (see below), whose sum is σ = 96870816. Its totient is φ = 13214880.

The previous prime is 42403129. The next prime is 42403139. The reversal of 42403130 is 3130424.

42403130 = T₁₂₉₁ + T₁₂₉₂ + ... + T₁₃₃₉.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42403099 and 42403108.

It is not an unprimeable number, because it can be changed into a prime (42403139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1457 + ... + 9323.

It is an arithmetic number, because the mean of its divisors is an integer number (2018142).

Almost surely, 2^42403130 is an apocalyptic number.

42403130 is an abundant number, since it is smaller than the sum of its proper divisors (54467686).

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

42403130 is a wasteful number, since it uses less digits than its factorization.

42403130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7899 (or 7892 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 42403130 is about 6511.7685769689. The cubic root of 42403130 is about 348.7112605402.

Adding to 42403130 its reverse (3130424), we get a palindrome (45533554).

The spelling of 42403130 in words is "forty-two million, four hundred three thousand, one hundred thirty".