42442480 has 20 divisors (see below), whose sum is σ = 98678952. Its totient is φ = 16976960.

The previous prime is 42442469. The next prime is 42442483. The reversal of 42442480 is 8424424.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42442483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265186 + ... + 265345.

Almost surely, 2^42442480 is an apocalyptic number.

42442480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42442480 is an abundant number, since it is smaller than the sum of its proper divisors (56236472).

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

42442480 is a wasteful number, since it uses less digits than its factorization.

42442480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530544 (or 530538 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

The square root of 42442480 is about 6514.7893289039. The cubic root of 42442480 is about 348.8190949202.

It can be divided in two parts, 4244 and 2480, that added together give a square (6724 = 82²).

The spelling of 42442480 in words is "forty-two million, four hundred forty-two thousand, four hundred eighty".