326966061240 has 960 divisors, whose sum is σ = 1457871307200. Its totient is φ = 64921264128.

The previous prime is 326966061181. The next prime is 326966061259. The reversal of 326966061240 is 42160669623.

326966061240 is a `hidden beast` number, since 3 + 26 + 9 + 6 + 6 + 0 + 612 + 4 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 35081301 + ... + 35090619.

It is an arithmetic number, because the mean of its divisors is an integer number (1518615945).

Almost surely, 2^326966061240 is an apocalyptic number.

326966061240 is a gapful number since it is divisible by the number (30) 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 326966061240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (728935653600).

326966061240 is an abundant number, since it is smaller than the sum of its proper divisors (1130905245960).

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

326966061240 is a wasteful number, since it uses less digits than its factorization.

326966061240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9386 (or 9366 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 326966061240 in words is "three hundred twenty-six billion, nine hundred sixty-six million, sixty-one thousand, two hundred forty".