5581436378 has 16 divisors (see below), whose sum is σ = 9790693440. Its totient is φ = 2336414976.

The previous prime is 5581436369. The next prime is 5581436401. The reversal of 5581436378 is 8736341855.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4635143 + ... + 4636346.

It is an arithmetic number, because the mean of its divisors is an integer number (611918340).

Almost surely, 2^5581436378 is an apocalyptic number.

5581436378 is a deficient number, since it is larger than the sum of its proper divisors (4209257062).

5581436378 is a wasteful number, since it uses less digits than its factorization.

5581436378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9271541.

The product of its digits is 2419200, while the sum is 50.

The square root of 5581436378 is about 74709.0113573992. The cubic root of 5581436378 is about 1773.8436033775.

The spelling of 5581436378 in words is "five billion, five hundred eighty-one million, four hundred thirty-six thousand, three hundred seventy-eight".