5485155440 has 40 divisors (see below), whose sum is σ = 12896295120. Its totient is φ = 2169406976.

The previous prime is 5485155433. The next prime is 5485155449. The reversal of 5485155440 is 445515845.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5485155449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378074 + ... + 392313.

It is an arithmetic number, because the mean of its divisors is an integer number (322407378).

Almost surely, 2^5485155440 is an apocalyptic number.

It is an amenable number.

5485155440 is an abundant number, since it is smaller than the sum of its proper divisors (7411139680).

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

5485155440 is a wasteful number, since it uses less digits than its factorization.

5485155440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770489 (or 770483 counting only the distinct ones).

The product of its (nonzero) digits is 320000, while the sum is 41.

The square root of 5485155440 is about 74061.8352459619. The cubic root of 5485155440 is about 1763.5846619948.

The spelling of 5485155440 in words is "five billion, four hundred eighty-five million, one hundred fifty-five thousand, four hundred forty".