40432224 has 48 divisors (see below), whose sum is σ = 121298688. Its totient is φ = 11551872.

The previous prime is 40432211. The next prime is 40432237. The reversal of 40432224 is 42223404.

It is an interprime number because it is at equal distance from previous prime (40432211) and next prime (40432237).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 40432224.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29412 + ... + 30755.

It is an arithmetic number, because the mean of its divisors is an integer number (2527056).

Almost surely, 2^40432224 is an apocalyptic number.

It is an amenable number.

40432224 is an abundant number, since it is smaller than the sum of its proper divisors (80866464).

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

40432224 is a wasteful number, since it uses less digits than its factorization.

40432224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60187 (or 60179 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 40432224 is about 6358.6338155299. The cubic root of 40432224 is about 343.2225999973. Note that the first 3 decimals are identical.

Adding to 40432224 its reverse (42223404), we get a palindrome (82655628).

The spelling of 40432224 in words is "forty million, four hundred thirty-two thousand, two hundred twenty-four".