8541997044 has 48 divisors (see below), whose sum is σ = 22788624768. Its totient is φ = 2439502848.

The previous prime is 8541997039. The next prime is 8541997069. The reversal of 8541997044 is 4407991458.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181992 + ... + 224064.

It is an arithmetic number, because the mean of its divisors is an integer number (474763016).

Almost surely, 2^8541997044 is an apocalyptic number.

8541997044 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

8541997044 is an abundant number, since it is smaller than the sum of its proper divisors (14246627724).

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

8541997044 is a wasteful number, since it uses less digits than its factorization.

8541997044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44504 (or 44502 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The square root of 8541997044 is about 92422.9248833859. The cubic root of 8541997044 is about 2044.1831569693.

The spelling of 8541997044 in words is "eight billion, five hundred forty-one million, nine hundred ninety-seven thousand, forty-four".