42429648 has 80 divisors (see below), whose sum is σ = 114335936. Its totient is φ = 13547520.

The previous prime is 42429619. The next prime is 42429649. The reversal of 42429648 is 84692424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42429649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125736 + ... + 126072.

Almost surely, 2^42429648 is an apocalyptic number.

42429648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42429648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57167968).

42429648 is an abundant number, since it is smaller than the sum of its proper divisors (71906288).

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

42429648 is a wasteful number, since it uses less digits than its factorization.

42429648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452 (or 446 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 42429648 is about 6513.8044183104. The cubic root of 42429648 is about 348.7839375512.

The spelling of 42429648 in words is "forty-two million, four hundred twenty-nine thousand, six hundred forty-eight".