1421807724414 has 192 divisors, whose sum is σ = 4048137699840. Its totient is φ = 349838012160.

The previous prime is 1421807724409. The next prime is 1421807724433. The reversal of 1421807724414 is 4144277081241.

1421807724414 is a `hidden beast` number, since 14 + 218 + 0 + 7 + 7 + 2 + 4 + 414 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1421807724414.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1796569 + ... + 2463995.

It is an arithmetic number, because the mean of its divisors is an integer number (21084050520).

Almost surely, 2^{1421807724414} is an apocalyptic number.

1421807724414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421807724414, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2024068849920).

1421807724414 is an abundant number, since it is smaller than the sum of its proper divisors (2626329975426).

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

1421807724414 is a wasteful number, since it uses less digits than its factorization.

1421807724414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667535 (or 667532 counting only the distinct ones).

The product of its (nonzero) digits is 401408, while the sum is 45.

The spelling of 1421807724414 in words is "one trillion, four hundred twenty-one billion, eight hundred seven million, seven hundred twenty-four thousand, four hundred fourteen".