42402450 has 24 divisors (see below), whose sum is σ = 105158448. Its totient is φ = 11307280.

The previous prime is 42402431. The next prime is 42402457. The reversal of 42402450 is 5420424.

It is not an unprimeable number, because it can be changed into a prime (42402457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141192 + ... + 141491.

It is an arithmetic number, because the mean of its divisors is an integer number (4381602).

Almost surely, 2^42402450 is an apocalyptic number.

42402450 is an abundant number, since it is smaller than the sum of its proper divisors (62755998).

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

42402450 is a wasteful number, since it uses less digits than its factorization.

42402450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282698 (or 282693 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 42402450 is about 6511.7163636018. The cubic root of 42402450 is about 348.7093964882.

Adding to 42402450 its reverse (5420424), we get a palindrome (47822874).

The spelling of 42402450 in words is "forty-two million, four hundred two thousand, four hundred fifty".