14542421340 has 72 divisors (see below), whose sum is σ = 41603949072. Its totient is φ = 3795434240.

The previous prime is 14542421339. The next prime is 14542421351. The reversal of 14542421340 is 4312424541.

It is a super-2 number, since 2×14542421340² (a number of 21 digits) contains 22 as substring.

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 = 14542421298 and 14542421307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77680 + ... + 187400.

It is an arithmetic number, because the mean of its divisors is an integer number (577832626).

Almost surely, 2^14542421340 is an apocalyptic number.

14542421340 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 14542421340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20801974536).

14542421340 is an abundant number, since it is smaller than the sum of its proper divisors (27061527732).

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

14542421340 is a wasteful number, since it uses less digits than its factorization.

14542421340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109827 (or 109778 counting only the distinct ones).

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

Adding to 14542421340 its reverse (4312424541), we get a palindrome (18854845881).

The spelling of 14542421340 in words is "fourteen billion, five hundred forty-two million, four hundred twenty-one thousand, three hundred forty".