42131450 has 24 divisors (see below), whose sum is σ = 78536640. Its totient is φ = 16815600.

The previous prime is 42131431. The next prime is 42131483. The reversal of 42131450 is 5413124.

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, 40031 + ... + 41069.

It is an arithmetic number, because the mean of its divisors is an integer number (3272360).

Almost surely, 2^42131450 is an apocalyptic number.

42131450 is a deficient number, since it is larger than the sum of its proper divisors (36405190).

42131450 is a wasteful number, since it uses less digits than its factorization.

42131450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862 (or 1857 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 42131450 is about 6490.8743632888. The cubic root of 42131450 is about 347.9649246808.

Adding to 42131450 its reverse (5413124), we get a palindrome (47544574).

The spelling of 42131450 in words is "forty-two million, one hundred thirty-one thousand, four hundred fifty".