538501444 has 24 divisors (see below), whose sum is σ = 1015499520. Its totient is φ = 248384544.

The previous prime is 538501373. The next prime is 538501451. The reversal of 538501444 is 444105835.

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, 158637 + ... + 161995.

It is an arithmetic number, because the mean of its divisors is an integer number (42312480).

Almost surely, 2^538501444 is an apocalyptic number.

It is an amenable number.

538501444 is a deficient number, since it is larger than the sum of its proper divisors (476998076).

538501444 is a wasteful number, since it uses less digits than its factorization.

538501444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6459 (or 6457 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 538501444 is about 23205.6338848996. The cubic root of 538501444 is about 813.5713080549.

The spelling of 538501444 in words is "five hundred thirty-eight million, five hundred one thousand, four hundred forty-four".