42510436 has 12 divisors (see below), whose sum is σ = 75076540. Its totient is φ = 21060000.

The previous prime is 42510427. The next prime is 42510439. The reversal of 42510436 is 63401524.

It can be written as a sum of positive squares in 2 ways, for example, as 29593600 + 12916836 = 5440^2 + 3594^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42510436.

It is not an unprimeable number, because it can be changed into a prime (42510439) 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, 48315 + ... + 49186.

Almost surely, 2^42510436 is an apocalyptic number.

It is an amenable number.

42510436 is a deficient number, since it is larger than the sum of its proper divisors (32566104).

42510436 is a wasteful number, since it uses less digits than its factorization.

42510436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97614 (or 97612 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 42510436 is about 6520.0027607356. The cubic root of 42510436 is about 349.0051640848.

It can be divided in two parts, 425104 and 36, that multiplied together give a square (15303744 = 3912²).

The spelling of 42510436 in words is "forty-two million, five hundred ten thousand, four hundred thirty-six".