1340041224 has 32 divisors (see below), whose sum is σ = 3361957920. Its totient is φ = 445099776.

The previous prime is 1340041223. The next prime is 1340041231. The reversal of 1340041224 is 4221400431.

It is a self number, because there is not a number n which added to its sum of digits gives 1340041224.

It is not an unprimeable number, because it can be changed into a prime (1340041223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91857 + ... + 105440.

It is an arithmetic number, because the mean of its divisors is an integer number (105061185).

Almost surely, 2^1340041224 is an apocalyptic number.

It is an amenable number.

1340041224 is an abundant number, since it is smaller than the sum of its proper divisors (2021916696).

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

1340041224 is a wasteful number, since it uses less digits than its factorization.

1340041224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197589 (or 197585 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1340041224 is about 36606.5735080463. The cubic root of 1340041224 is about 1102.4850769007.

Adding to 1340041224 its reverse (4221400431), we get a palindrome (5561441655).

The spelling of 1340041224 in words is "one billion, three hundred forty million, forty-one thousand, two hundred twenty-four".