1214504320440 has 64 divisors (see below), whose sum is σ = 3684451341600. Its totient is φ = 320228851712.

The previous prime is 1214504320439. The next prime is 1214504320451. The reversal of 1214504320440 is 440234054121.

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 = 1214504320398 and 1214504320407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56848137 + ... + 56869496.

Almost surely, 2^{1214504320440} is an apocalyptic number.

1214504320440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1214504320440 is an abundant number, since it is smaller than the sum of its proper divisors (2469947021160).

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

1214504320440 is a wasteful number, since it uses less digits than its factorization.

1214504320440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113717736 (or 113717732 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 1214504320440 its reverse (440234054121), we get a palindrome (1654738374561).

The spelling of 1214504320440 in words is "one trillion, two hundred fourteen billion, five hundred four million, three hundred twenty thousand, four hundred forty".