42010320 has 80 divisors (see below), whose sum is σ = 142080192. Its totient is φ = 10183680.

The previous prime is 42010303. The next prime is 42010361. The reversal of 42010320 is 2301024.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 42010296 and 42010305.

It is a congruent number.

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, 5317 + ... + 10596.

Almost surely, 2^42010320 is an apocalyptic number.

42010320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42010320 is an abundant number, since it is smaller than the sum of its proper divisors (100069872).

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

42010320 is a wasteful number, since it uses less digits than its factorization.

42010320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15940 (or 15934 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 42010320 is about 6481.5368547899. The cubic root of 42010320 is about 347.6311324706.

Adding to 42010320 its reverse (2301024), we get a palindrome (44311344).

The spelling of 42010320 in words is "forty-two million, ten thousand, three hundred twenty".