1214465125440 has 336 divisors, whose sum is σ = 4580909620992. Its totient is φ = 271685320704.

The previous prime is 1214465125403. The next prime is 1214465125441. The reversal of 1214465125440 is 445215644121.

It is a tau number, because it is divible by the number of its divisors (336).

It is not an unprimeable number, because it can be changed into a prime (1214465125441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1936224 + ... + 2485536.

Almost surely, 2^{1214465125440} is an apocalyptic number.

1214465125440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1214465125440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2290454810496).

1214465125440 is an abundant number, since it is smaller than the sum of its proper divisors (3366444495552).

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

1214465125440 is a wasteful number, since it uses less digits than its factorization.

1214465125440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549394 (or 549377 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 39.

The spelling of 1214465125440 in words is "one trillion, two hundred fourteen billion, four hundred sixty-five million, one hundred twenty-five thousand, four hundred forty".