42547488 has 24 divisors (see below), whose sum is σ = 111687408. Its totient is φ = 14182464.

The previous prime is 42547459. The next prime is 42547501. The reversal of 42547488 is 88474524.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×42547488² = 3620577470220288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221506 + ... + 221697.

It is an arithmetic number, because the mean of its divisors is an integer number (4653642).

Almost surely, 2^42547488 is an apocalyptic number.

42547488 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

42547488 is an abundant number, since it is smaller than the sum of its proper divisors (69139920).

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

42547488 is a wasteful number, since it uses less digits than its factorization.

42547488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443216 (or 443208 counting only the distinct ones).

The product of its digits is 286720, while the sum is 42.

The square root of 42547488 is about 6522.8435517035. The cubic root of 42547488 is about 349.1065320107.

The spelling of 42547488 in words is "forty-two million, five hundred forty-seven thousand, four hundred eighty-eight".