439740054 has 48 divisors (see below), whose sum is σ = 1086426432. Its totient is φ = 127344384.

The previous prime is 439740023. The next prime is 439740061. The reversal of 439740054 is 450047934.

It is a Curzon number.

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, 51294 + ... + 59249.

It is an arithmetic number, because the mean of its divisors is an integer number (22633884).

Almost surely, 2^439740054 is an apocalyptic number.

439740054 is an abundant number, since it is smaller than the sum of its proper divisors (646686378).

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

439740054 is a wasteful number, since it uses less digits than its factorization.

439740054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110581 (or 110578 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 439740054 is about 20969.9798283165. The cubic root of 439740054 is about 760.4406804825.

Adding to 439740054 its reverse (450047934), we get a palindrome (889787988).

The spelling of 439740054 in words is "four hundred thirty-nine million, seven hundred forty thousand, fifty-four".