42303520 has 96 divisors (see below), whose sum is σ = 115613568. Its totient is φ = 14327808.

The previous prime is 42303511. The next prime is 42303539. The reversal of 42303520 is 2530324.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119664 + ... + 120016.

It is an arithmetic number, because the mean of its divisors is an integer number (1204308).

Almost surely, 2^42303520 is an apocalyptic number.

42303520 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 42303520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57806784).

42303520 is an abundant number, since it is smaller than the sum of its proper divisors (73310048).

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

42303520 is a wasteful number, since it uses less digits than its factorization.

42303520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 42303520 is about 6504.1156201285. The cubic root of 42303520 is about 348.4379916943.

Adding to 42303520 its reverse (2530324), we get a palindrome (44833844).

It can be divided in two parts, 4230 and 3520, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 42303520 in words is "forty-two million, three hundred three thousand, five hundred twenty".