1224142400140 has 36 divisors (see below), whose sum is σ = 2825644405248. Its totient is φ = 445142690080.

The previous prime is 1224142400137. The next prime is 1224142400203. The reversal of 1224142400140 is 410042414221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252919564 + ... + 252924403.

It is an arithmetic number, because the mean of its divisors is an integer number (78490122368).

Almost surely, 2^{1224142400140} is an apocalyptic number.

1224142400140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1224142400140 is an abundant number, since it is smaller than the sum of its proper divisors (1601502005108).

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

1224142400140 is a wasteful number, since it uses less digits than its factorization.

1224142400140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505843998 (or 505843985 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 1224142400140 its reverse (410042414221), we get a palindrome (1634184814361).

The spelling of 1224142400140 in words is "one trillion, two hundred twenty-four billion, one hundred forty-two million, four hundred thousand, one hundred forty".