42562240 has 56 divisors (see below), whose sum is σ = 115836192. Its totient is φ = 14592000.

The previous prime is 42562207. The next prime is 42562243. The reversal of 42562240 is 4226524.

It is a tau number, because it is divible by the number of its divisors (56).

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (42562243) 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, 7261 + ... + 11740.

Almost surely, 2^42562240 is an apocalyptic number.

42562240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42562240 is an abundant number, since it is smaller than the sum of its proper divisors (73273952).

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

42562240 is a wasteful number, since it uses less digits than its factorization.

42562240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19025 (or 19015 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 42562240 is about 6523.9742488762. The cubic root of 42562240 is about 349.1468745763.

Adding to 42562240 its reverse (4226524), we get a palindrome (46788764).

The spelling of 42562240 in words is "forty-two million, five hundred sixty-two thousand, two hundred forty".