439403731054 has 16 divisors (see below), whose sum is σ = 660101571360. Its totient is φ = 219370033440.

The previous prime is 439403731051. The next prime is 439403731079. The reversal of 439403731054 is 450137304934.

It is a self number, because there is not a number n which added to its sum of digits gives 439403731054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439403731051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5790792 + ... + 5866180.

It is an arithmetic number, because the mean of its divisors is an integer number (41256348210).

Almost surely, 2^439403731054 is an apocalyptic number.

439403731054 is a deficient number, since it is larger than the sum of its proper divisors (220697840306).

439403731054 is a wasteful number, since it uses less digits than its factorization.

439403731054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79755.

The product of its (nonzero) digits is 544320, while the sum is 43.

The spelling of 439403731054 in words is "four hundred thirty-nine billion, four hundred three million, seven hundred thirty-one thousand, fifty-four".