42303510 has 24 divisors (see below), whose sum is σ = 109989360. Its totient is φ = 11280912.

The previous prime is 42303491. The next prime is 42303511. The reversal of 42303510 is 1530324.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42303511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234930 + ... + 235109.

It is an arithmetic number, because the mean of its divisors is an integer number (4582890).

Almost surely, 2^42303510 is an apocalyptic number.

42303510 is an abundant number, since it is smaller than the sum of its proper divisors (67685850).

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

42303510 is a wasteful number, since it uses less digits than its factorization.

42303510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470052 (or 470049 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 42303510 is about 6504.1148513845. The cubic root of 42303510 is about 348.4379642389.

Adding to 42303510 its reverse (1530324), we get a palindrome (43833834).

The spelling of 42303510 in words is "forty-two million, three hundred three thousand, five hundred ten".