1214224002440 has 32 divisors (see below), whose sum is σ = 2892710125080. Its totient is φ = 457119624192.

The previous prime is 1214224002427. The next prime is 1214224002463. The reversal of 1214224002440 is 442004224121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 913970416324 + 300253586116 = 956018^2 + 547954^2 .

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, 892811087 + ... + 892812446.

Almost surely, 2^{1214224002440} is an apocalyptic number.

1214224002440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1214224002440 is an abundant number, since it is smaller than the sum of its proper divisors (1678486122640).

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

1214224002440 is a wasteful number, since it uses less digits than its factorization.

1214224002440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785623561 (or 1785623557 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 1214224002440 its reverse (442004224121), we get a palindrome (1656228226561).

The spelling of 1214224002440 in words is "one trillion, two hundred fourteen billion, two hundred twenty-four million, two thousand, four hundred forty".