42404360 has 32 divisors (see below), whose sum is σ = 95598360. Its totient is φ = 16928256.

The previous prime is 42404359. The next prime is 42404363. The reversal of 42404360 is 6340424.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 42172036 + 232324 = 6494^2 + 482^2 .

It is not an unprimeable number, because it can be changed into a prime (42404363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33662 + ... + 34898.

Almost surely, 2^42404360 is an apocalyptic number.

42404360 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42404360 is an abundant number, since it is smaller than the sum of its proper divisors (53194000).

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

42404360 is a wasteful number, since it uses less digits than its factorization.

42404360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105 (or 2101 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 42404360 is about 6511.8630206723. The cubic root of 42404360 is about 348.7146322308.

Adding to 42404360 its reverse (6340424), we get a palindrome (48744784).

The spelling of 42404360 in words is "forty-two million, four hundred four thousand, three hundred sixty".