320242494 has 48 divisors (see below), whose sum is σ = 756618624. Its totient is φ = 89575200.

The previous prime is 320242463. The next prime is 320242499. The reversal of 320242494 is 494242023.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320242499) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3202 + ... + 25509.

It is an arithmetic number, because the mean of its divisors is an integer number (15762888).

Almost surely, 2^320242494 is an apocalyptic number.

320242494 is an abundant number, since it is smaller than the sum of its proper divisors (436376130).

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

320242494 is a wasteful number, since it uses less digits than its factorization.

320242494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28753 (or 28740 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 320242494 is about 17895.3204497712. The cubic root of 320242494 is about 684.1631095912.

The spelling of 320242494 in words is "three hundred twenty million, two hundred forty-two thousand, four hundred ninety-four".