4155412820 has 48 divisors (see below), whose sum is σ = 9415902720. Its totient is φ = 1531322496.

The previous prime is 4155412817. The next prime is 4155412831. The reversal of 4155412820 is 282145514.

It is a super-3 number, since 3×4155412820³ (a number of 30 digits) contains 333 as substring.

4155412820 is a Rhonda number in base 15.

It is a congruent number.

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, 120701 + ... + 151259.

It is an arithmetic number, because the mean of its divisors is an integer number (196164640).

Almost surely, 2^4155412820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4155412820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4707951360).

4155412820 is an abundant number, since it is smaller than the sum of its proper divisors (5260489900).

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

4155412820 is a wasteful number, since it uses less digits than its factorization.

4155412820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31104 (or 31102 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 4155412820 is about 64462.4915745583. The cubic root of 4155412820 is about 1607.6989388142.

The spelling of 4155412820 in words is "four billion, one hundred fifty-five million, four hundred twelve thousand, eight hundred twenty".