544742320 has 20 divisors (see below), whose sum is σ = 1266526080. Its totient is φ = 217896896.

The previous prime is 544742311. The next prime is 544742329. The reversal of 544742320 is 23247445.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (544742311) and next prime (544742329).

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (544742329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3404560 + ... + 3404719.

It is an arithmetic number, because the mean of its divisors is an integer number (63326304).

Almost surely, 2^544742320 is an apocalyptic number.

It is an amenable number.

544742320 is an abundant number, since it is smaller than the sum of its proper divisors (721783760).

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

544742320 is a wasteful number, since it uses less digits than its factorization.

544742320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6809292 (or 6809286 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 544742320 is about 23339.7155081205. The cubic root of 544742320 is about 816.7021621853.

Adding to 544742320 its reverse (23247445), we get a palindrome (567989765).

The spelling of 544742320 in words is "five hundred forty-four million, seven hundred forty-two thousand, three hundred twenty".