42404620 has 12 divisors (see below), whose sum is σ = 89049744. Its totient is φ = 16961840.

The previous prime is 42404603. The next prime is 42404629. The reversal of 42404620 is 2640424.

It is a junction number, because it is equal to n+sod(n) for n = 42404591 and 42404600.

It is not an unprimeable number, because it can be changed into a prime (42404629) 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, 1060096 + ... + 1060135.

It is an arithmetic number, because the mean of its divisors is an integer number (7420812).

Almost surely, 2^42404620 is an apocalyptic number.

It is an amenable number.

42404620 is an abundant number, since it is smaller than the sum of its proper divisors (46645124).

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

42404620 is a wasteful number, since it uses less digits than its factorization.

42404620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120240 (or 2120238 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 42404620 is about 6511.8829842066. The cubic root of 42404620 is about 348.7153449376.

The spelling of 42404620 in words is "forty-two million, four hundred four thousand, six hundred twenty".