502081438 has 8 divisors (see below), whose sum is σ = 753595632. Its totient is φ = 250882896.

The previous prime is 502081357. The next prime is 502081439. The reversal of 502081438 is 834180205.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (502081439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74895 + ... + 81322.

It is an arithmetic number, because the mean of its divisors is an integer number (94199454).

Almost surely, 2^502081438 is an apocalyptic number.

502081438 is a deficient number, since it is larger than the sum of its proper divisors (251514194).

502081438 is a wasteful number, since it uses less digits than its factorization.

502081438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157826.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 502081438 is about 22407.1738066183. The cubic root of 502081438 is about 794.8003601921.

The spelling of 502081438 in words is "five hundred two million, eighty-one thousand, four hundred thirty-eight".