40120351224 has 32 divisors (see below), whose sum is σ = 100314450000. Its totient is φ = 13371640832.

The previous prime is 40120351217. The next prime is 40120351241. The reversal of 40120351224 is 42215302104.

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 = 40120351194 and 40120351203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74302 + ... + 292850.

Almost surely, 2^40120351224 is an apocalyptic number.

It is an amenable number.

40120351224 is an abundant number, since it is smaller than the sum of its proper divisors (60194098776).

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

40120351224 is a wasteful number, since it uses less digits than its factorization.

40120351224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226207 (or 226203 counting only the distinct ones).

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

Adding to 40120351224 its reverse (42215302104), we get a palindrome (82335653328).

The spelling of 40120351224 in words is "forty billion, one hundred twenty million, three hundred fifty-one thousand, two hundred twenty-four".