4155505320 has 64 divisors (see below), whose sum is σ = 12477395520. Its totient is φ = 1107167744.

The previous prime is 4155505309. The next prime is 4155505331. The reversal of 4155505320 is 235055514.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4155505309) and next prime (4155505331).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128647 + ... + 157673.

It is an arithmetic number, because the mean of its divisors is an integer number (194959305).

Almost surely, 2^4155505320 is an apocalyptic number.

4155505320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4155505320 is an abundant number, since it is smaller than the sum of its proper divisors (8321890200).

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

4155505320 is a wasteful number, since it uses less digits than its factorization.

4155505320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30234 (or 30230 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 4155505320 is about 64463.2090420575. The cubic root of 4155505320 is about 1607.7108679177.

The spelling of 4155505320 in words is "four billion, one hundred fifty-five million, five hundred five thousand, three hundred twenty".