40516224 has 64 divisors (see below), whose sum is σ = 123003840. Its totient is φ = 11575296.

The previous prime is 40516213. The next prime is 40516247. The reversal of 40516224 is 42261504.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 40516194 and 40516203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4849 + ... + 10224.

It is an arithmetic number, because the mean of its divisors is an integer number (1921935).

Almost surely, 2^40516224 is an apocalyptic number.

It is an amenable number.

40516224 is an abundant number, since it is smaller than the sum of its proper divisors (82487616).

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

40516224 is a wasteful number, since it uses less digits than its factorization.

40516224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15097 (or 15085 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 40516224 is about 6365.2355808721. The cubic root of 40516224 is about 343.4601230487.

Adding to 40516224 its reverse (42261504), we get a palindrome (82777728).

The spelling of 40516224 in words is "forty million, five hundred sixteen thousand, two hundred twenty-four".