3312555378 has 64 divisors (see below), whose sum is σ = 7319735424. Its totient is φ = 991040000.

The previous prime is 3312555331. The next prime is 3312555401. The reversal of 3312555378 is 8735552133.

3312555378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4352518 + ... + 4353278.

It is an arithmetic number, because the mean of its divisors is an integer number (114370866).

Almost surely, 2^3312555378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3312555378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3659867712).

3312555378 is an abundant number, since it is smaller than the sum of its proper divisors (4007180046).

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

3312555378 is a wasteful number, since it uses less digits than its factorization.

3312555378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531.

The product of its digits is 378000, while the sum is 42.

The square root of 3312555378 is about 57554.8032574172. The cubic root of 3312555378 is about 1490.6912964128.

It can be divided in two parts, 331255 and 5378, that added together give a palindrome (336633).

The spelling of 3312555378 in words is "three billion, three hundred twelve million, five hundred fifty-five thousand, three hundred seventy-eight".