1214443142040 has 64 divisors (see below), whose sum is σ = 3732191134560. Its totient is φ = 315952686080.

The previous prime is 1214443142023. The next prime is 1214443142047. The reversal of 1214443142040 is 402413444121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1214443141989 and 1214443142007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214443142047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123414099 + ... + 123423938.

Almost surely, 2^{1214443142040} is an apocalyptic number.

1214443142040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1214443142040 is an abundant number, since it is smaller than the sum of its proper divisors (2517747992520).

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

1214443142040 is a wasteful number, since it uses less digits than its factorization.

1214443142040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246838092 (or 246838088 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 1214443142040 its reverse (402413444121), we get a palindrome (1616856586161).

The spelling of 1214443142040 in words is "one trillion, two hundred fourteen billion, four hundred forty-three million, one hundred forty-two thousand, forty".