320846040 has 48 divisors (see below), whose sum is σ = 1042750800. Its totient is φ = 85558848.

The previous prime is 320846011. The next prime is 320846051. The reversal of 320846040 is 40648023.

It is a junction number, because it is equal to n+sod(n) for n = 320845995 and 320846013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 445260 + ... + 445979.

It is an arithmetic number, because the mean of its divisors is an integer number (21723975).

Almost surely, 2^320846040 is an apocalyptic number.

320846040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320846040 is an abundant number, since it is smaller than the sum of its proper divisors (721904760).

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

320846040 is a wasteful number, since it uses less digits than its factorization.

320846040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891256 (or 891249 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 320846040 is about 17912.1757472396. The cubic root of 320846040 is about 684.5926432322.

The spelling of 320846040 in words is "three hundred twenty million, eight hundred forty-six thousand, forty".