5445081830 has 32 divisors (see below), whose sum is σ = 10090738944. Its totient is φ = 2114302176.

The previous prime is 5445081823. The next prime is 5445081839. The reversal of 5445081830 is 381805445.

It is a super-2 number, since 2×5445081830² = 59297832270792297800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5445081839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31247 + ... + 108933.

It is an arithmetic number, because the mean of its divisors is an integer number (315335592).

Almost surely, 2^5445081830 is an apocalyptic number.

5445081830 is a deficient number, since it is larger than the sum of its proper divisors (4645657114).

5445081830 is a wasteful number, since it uses less digits than its factorization.

5445081830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77900.

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 5445081830 is about 73790.7977325086. The cubic root of 5445081830 is about 1759.2793440333.

The spelling of 5445081830 in words is "five billion, four hundred forty-five million, eighty-one thousand, eight hundred thirty".