42489468 has 192 divisors, whose sum is σ = 136192000. Its totient is φ = 11430720.

The previous prime is 42489467. The next prime is 42489479. The reversal of 42489468 is 86498424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42489463) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1148346 + ... + 1148382.

Almost surely, 2^42489468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42489468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68096000).

42489468 is an abundant number, since it is smaller than the sum of its proper divisors (93702532).

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

42489468 is a wasteful number, since it uses less digits than its factorization.

42489468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 80 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 42489468 is about 6518.3945876266. The cubic root of 42489468 is about 348.9477731280.

The spelling of 42489468 in words is "forty-two million, four hundred eighty-nine thousand, four hundred sixty-eight".