40708224 has 64 divisors (see below), whose sum is σ = 120156000. Its totient is φ = 13568256.

The previous prime is 40708219. The next prime is 40708237. The reversal of 40708224 is 42280704.

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 (27).

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, 2434 + ... + 9345.

Almost surely, 2^40708224 is an apocalyptic number.

It is an amenable number.

40708224 is an abundant number, since it is smaller than the sum of its proper divisors (79447776).

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

40708224 is a wasteful number, since it uses less digits than its factorization.

40708224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11802 (or 11784 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 40708224 is about 6380.2996794821. The cubic root of 40708224 is about 344.0018027668.

Adding to 40708224 its reverse (42280704), we get a palindrome (82988928).

The spelling of 40708224 in words is "forty million, seven hundred eight thousand, two hundred twenty-four".