3400378368 has 48 divisors (see below), whose sum is σ = 9065478240. Its totient is φ = 1133457408.

The previous prime is 3400378367. The next prime is 3400378393. The reversal of 3400378368 is 8638730043.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (3400378367) 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, 270580 + ... + 282867.

It is an arithmetic number, because the mean of its divisors is an integer number (188864130).

Almost surely, 2^3400378368 is an apocalyptic number.

It is an amenable number.

3400378368 is an abundant number, since it is smaller than the sum of its proper divisors (5665099872).

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

3400378368 is an equidigital number, since it uses as much as digits as its factorization.

3400378368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553472 (or 553452 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 3400378368 is about 58312.7633370260. The cubic root of 3400378368 is about 1503.7503735396.

The spelling of 3400378368 in words is "three billion, four hundred million, three hundred seventy-eight thousand, three hundred sixty-eight".