320426572742 has 16 divisors (see below), whose sum is σ = 521325301392. Its totient is φ = 147111194880.

The previous prime is 320426572729. The next prime is 320426572747. The reversal of 320426572742 is 247275624023.

It is a junction number, because it is equal to n+sod(n) for n = 320426572693 and 320426572702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320426572747) 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, 114929228 + ... + 114932015.

It is an arithmetic number, because the mean of its divisors is an integer number (32582831337).

Almost surely, 2^320426572742 is an apocalyptic number.

320426572742 is a deficient number, since it is larger than the sum of its proper divisors (200898728650).

320426572742 is a wasteful number, since it uses less digits than its factorization.

320426572742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229861303.

The product of its (nonzero) digits is 1128960, while the sum is 44.

The spelling of 320426572742 in words is "three hundred twenty billion, four hundred twenty-six million, five hundred seventy-two thousand, seven hundred forty-two".