1420224414140 has 48 divisors (see below), whose sum is σ = 3526074417600. Its totient is φ = 470143252992.

The previous prime is 1420224414139. The next prime is 1420224414157. The reversal of 1420224414140 is 414144220241.

It is a Harshad number since it is a multiple of its sum of digits (29).

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, 174900425 + ... + 174908544.

It is an arithmetic number, because the mean of its divisors is an integer number (73459883700).

Almost surely, 2^{1420224414140} is an apocalyptic number.

1420224414140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420224414140 is an abundant number, since it is smaller than the sum of its proper divisors (2105850003460).

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

1420224414140 is a wasteful number, since it uses less digits than its factorization.

1420224414140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349809014 (or 349809012 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 1420224414140 its reverse (414144220241), we get a palindrome (1834368634381).

The spelling of 1420224414140 in words is "one trillion, four hundred twenty billion, two hundred twenty-four million, four hundred fourteen thousand, one hundred forty".