42131460 has 48 divisors (see below), whose sum is σ = 134822016. Its totient is φ = 9629952.

The previous prime is 42131431. The next prime is 42131483. The reversal of 42131460 is 6413124.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49737 + ... + 50576.

It is an arithmetic number, because the mean of its divisors is an integer number (2808792).

Almost surely, 2^42131460 is an apocalyptic number.

It is an amenable number.

42131460 is an abundant number, since it is smaller than the sum of its proper divisors (92690556).

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

42131460 is a wasteful number, since it uses less digits than its factorization.

42131460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100332 (or 100330 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 42131460 is about 6490.8751336010. The cubic root of 42131460 is about 347.9649522109.

Adding to 42131460 its reverse (6413124), we get a palindrome (48544584).

The spelling of 42131460 in words is "forty-two million, one hundred thirty-one thousand, four hundred sixty".