42361420 has 48 divisors (see below), whose sum is σ = 91471968. Its totient is φ = 16473600.

The previous prime is 42361391. The next prime is 42361427. The reversal of 42361420 is 2416324.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42361391 and 42361400.

It is not an unprimeable number, because it can be changed into a prime (42361427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135184 + ... + 135496.

It is an arithmetic number, because the mean of its divisors is an integer number (1905666).

Almost surely, 2^42361420 is an apocalyptic number.

It is an amenable number.

42361420 is an abundant number, since it is smaller than the sum of its proper divisors (49110548).

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

42361420 is a wasteful number, since it uses less digits than its factorization.

42361420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 42361420 is about 6508.5651260474. The cubic root of 42361420 is about 348.5968859781.

Adding to 42361420 its reverse (2416324), we get a palindrome (44777744).

The spelling of 42361420 in words is "forty-two million, three hundred sixty-one thousand, four hundred twenty".