5401547818 has 16 divisors (see below), whose sum is σ = 8365570560. Its totient is φ = 2613063600.

The previous prime is 5401547807. The next prime is 5401547843. The reversal of 5401547818 is 8187451045.

It is a super-2 number, since 2×5401547818² = 58353437660281122248, which contains 22 as substring.

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, 414628 + ... + 427456.

It is an arithmetic number, because the mean of its divisors is an integer number (522848160).

Almost surely, 2^5401547818 is an apocalyptic number.

5401547818 is a deficient number, since it is larger than the sum of its proper divisors (2964022742).

5401547818 is a wasteful number, since it uses less digits than its factorization.

5401547818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19653.

The product of its (nonzero) digits is 179200, while the sum is 43.

The square root of 5401547818 is about 73495.2230964707. The cubic root of 5401547818 is about 1754.5782508884.

The spelling of 5401547818 in words is "five billion, four hundred one million, five hundred forty-seven thousand, eight hundred eighteen".