14220400340 has 24 divisors (see below), whose sum is σ = 29865374952. Its totient is φ = 5687677440.

The previous prime is 14220400309. The next prime is 14220400361. The reversal of 14220400340 is 4300402241.

It can be written as a sum of positive squares in 4 ways, for example, as 311028496 + 13909371844 = 17636^2 + 117938^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299000 + ... + 343280.

It is an arithmetic number, because the mean of its divisors is an integer number (1244390623).

Almost surely, 2^14220400340 is an apocalyptic number.

14220400340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14220400340 is an abundant number, since it is smaller than the sum of its proper divisors (15644974612).

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

14220400340 is a wasteful number, since it uses less digits than its factorization.

14220400340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60347 (or 60345 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 14220400340 its reverse (4300402241), we get a palindrome (18520802581).

The spelling of 14220400340 in words is "fourteen billion, two hundred twenty million, four hundred thousand, three hundred forty".