333780400768 has 32 divisors (see below), whose sum is σ = 687882568500. Its totient is φ = 161135364096.

The previous prime is 333780400763. The next prime is 333780400777. The reversal of 333780400768 is 867004087333.

It can be written as a sum of positive squares in 2 ways, for example, as 317275345984 + 16505054784 = 563272^2 + 128472^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×333780400768² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (333780400763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44955933 + ... + 44963356.

Almost surely, 2^333780400768 is an apocalyptic number.

It is an amenable number.

333780400768 is an abundant number, since it is smaller than the sum of its proper divisors (354102167732).

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

333780400768 is an equidigital number, since it uses as much as digits as its factorization.

333780400768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89919332 (or 89919320 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 333780400768 in words is "three hundred thirty-three billion, seven hundred eighty million, four hundred thousand, seven hundred sixty-eight".