323845745040 has 120 divisors (see below), whose sum is σ = 1105411322808. Its totient is φ = 84943134720.

The previous prime is 323845745021. The next prime is 323845745077. The reversal of 323845745040 is 40547548323.

323845745040 is a `hidden beast` number, since 3 + 2 + 38 + 4 + 574 + 5 + 0 + 40 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8680276224 + 315165468816 = 93168^2 + 561396^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3642849 + ... + 3730688.

Almost surely, 2^323845745040 is an apocalyptic number.

323845745040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

323845745040 is an abundant number, since it is smaller than the sum of its proper divisors (781565577768).

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

323845745040 is a wasteful number, since it uses less digits than its factorization.

323845745040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7373617 (or 7373608 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 45.

The spelling of 323845745040 in words is "three hundred twenty-three billion, eight hundred forty-five million, seven hundred forty-five thousand, forty".