392242873472 has 72 divisors (see below), whose sum is σ = 788213083755. Its totient is φ = 194431498240.

The previous prime is 392242873457. The next prime is 392242873487. The reversal of 392242873472 is 274378242293.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is an interprime number because it is at equal distance from previous prime (392242873457) and next prime (392242873487).

It can be written as a sum of positive squares in 5 ways, for example, as 391705746496 + 537126976 = 625864^2 + 23176^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=442856.

It is a super-3 number, since 3×392242873472³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 1395881972 + ... + 1395882252.

Almost surely, 2^392242873472 is an apocalyptic number.

392242873472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 392242873472

392242873472 is an abundant number, since it is smaller than the sum of its proper divisors (395970210283).

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

392242873472 is an frugal number, since it uses more digits than its factorization.

392242873472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970 (or 480 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 53.

The spelling of 392242873472 in words is "three hundred ninety-two billion, two hundred forty-two million, eight hundred seventy-three thousand, four hundred seventy-two".