40224560 has 20 divisors (see below), whose sum is σ = 93522288. Its totient is φ = 16089792.

The previous prime is 40224557. The next prime is 40224581. The reversal of 40224560 is 6542204.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251324 + ... + 251483.

Almost surely, 2^40224560 is an apocalyptic number.

40224560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40224560 is an abundant number, since it is smaller than the sum of its proper divisors (53297728).

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

40224560 is a wasteful number, since it uses less digits than its factorization.

40224560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502820 (or 502814 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 40224560 is about 6342.2835004437. The cubic root of 40224560 is about 342.6339824253.

Adding to 40224560 its reverse (6542204), we get a palindrome (46766764).

The spelling of 40224560 in words is "forty million, two hundred twenty-four thousand, five hundred sixty".