5405344378 has 32 divisors (see below), whose sum is σ = 9898257024. Its totient is φ = 2161001472.

The previous prime is 5405344339. The next prime is 5405344397. The reversal of 5405344378 is 8734435045.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73600 + ... + 127387.

It is an arithmetic number, because the mean of its divisors is an integer number (309320532).

Almost surely, 2^5405344378 is an apocalyptic number.

5405344378 is a deficient number, since it is larger than the sum of its proper divisors (4492912646).

5405344378 is a wasteful number, since it uses less digits than its factorization.

5405344378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201126.

The product of its (nonzero) digits is 806400, while the sum is 43.

The square root of 5405344378 is about 73521.0471769819. The cubic root of 5405344378 is about 1754.9892319477.

The spelling of 5405344378 in words is "five billion, four hundred five million, three hundred forty-four thousand, three hundred seventy-eight".