42388480 has 88 divisors (see below), whose sum is σ = 107885088. Its totient is φ = 15925248.

The previous prime is 42388469. The next prime is 42388481. The reversal of 42388480 is 8488324.

It is not an unprimeable number, because it can be changed into a prime (42388481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86797 + ... + 87283.

Almost surely, 2^42388480 is an apocalyptic number.

42388480 is a gapful number since it is divisible by the number (40) 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 42388480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53942544).

42388480 is an abundant number, since it is smaller than the sum of its proper divisors (65496608).

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

42388480 is a wasteful number, since it uses less digits than its factorization.

42388480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529 (or 511 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 37.

The square root of 42388480 is about 6510.6435933785. The cubic root of 42388480 is about 348.6710967724.

The spelling of 42388480 in words is "forty-two million, three hundred eighty-eight thousand, four hundred eighty".